TY  - JOUR
AU  - Durlević, Uroš
AU  - Novković, Ivan
AU  - Carević, Ivana
AU  - Valjarević, Dragana
AU  - Marjanović, Aleksa
AU  - Batoćanin, Natalija
AU  - Krstić, Filip
AU  - Stojanović, Luka
AU  - Valjarević, Aleksandar
PY  - 2022
UR  - http://gery.gef.bg.ac.rs/handle/123456789/1317
AB  - Adequate disposal of municipal solid waste (MSW) is one of Serbia’s most complex environmental challenges. The problem is more serious in urban areas, since large amounts of waste are disposed of in locations that do not comply with environmental, technical, and socio-economic standards. Such is the case for the city of Kraljevo, where about 116,000 inhabitants do not have a sanitary landfill facility. This research includes a multi-criteria analysis, conducted with the help of geographic information systems, to find a suitable landfill site location. After data collection, the first step was to process 15 environmental and socio-economic factors utilizing the fuzzy analytic-hierarchy process method. The second step comprised the visual analysis and selection of the ten most suitable locations from the synthetic convenience map. The third step involved the final ranking of sites by means of the fuzzy multi-objective analysis by ratio, plus the full multiplicative form method, based on four additional beneficial and non-beneficial criteria. The results show that sanitary landfill candidate site A4 is the most suitable location for constructing a sanitary landfill site due to its large area (569 ha) and relatively short distance from the urban zone (8 km). This study is the first to integrate geographic information systems and the fuzzy analytic-hierarchy process, multi-objective analysis by ratio, and the full multiplicative form algorithm for sanitary landfill selection. The results of the research can be used as a reference for safe waste disposal in the city of Kraljevo.
PB  - Springer-Verlag GmbH Germany, part of Springer Nature
T2  - Environmental Science and Pollution Research
T1  - Sanitary landfill site selection using GIS-based on a fuzzy multi-criteria evaluation technique: a case study of the City of Kraljevo, Serbia
VL  - 30
IS  - 13
SP  - 37961
EP  - 37980
DO  - 10.1007/s11356-022-24884-8
ER  - 

@article{
author = "Durlević, Uroš and Novković, Ivan and Carević, Ivana and Valjarević, Dragana and Marjanović, Aleksa and Batoćanin, Natalija and Krstić, Filip and Stojanović, Luka and Valjarević, Aleksandar",
year = "2022",
abstract = "Adequate disposal of municipal solid waste (MSW) is one of Serbia’s most complex environmental challenges. The problem is more serious in urban areas, since large amounts of waste are disposed of in locations that do not comply with environmental, technical, and socio-economic standards. Such is the case for the city of Kraljevo, where about 116,000 inhabitants do not have a sanitary landfill facility. This research includes a multi-criteria analysis, conducted with the help of geographic information systems, to find a suitable landfill site location. After data collection, the first step was to process 15 environmental and socio-economic factors utilizing the fuzzy analytic-hierarchy process method. The second step comprised the visual analysis and selection of the ten most suitable locations from the synthetic convenience map. The third step involved the final ranking of sites by means of the fuzzy multi-objective analysis by ratio, plus the full multiplicative form method, based on four additional beneficial and non-beneficial criteria. The results show that sanitary landfill candidate site A4 is the most suitable location for constructing a sanitary landfill site due to its large area (569 ha) and relatively short distance from the urban zone (8 km). This study is the first to integrate geographic information systems and the fuzzy analytic-hierarchy process, multi-objective analysis by ratio, and the full multiplicative form algorithm for sanitary landfill selection. The results of the research can be used as a reference for safe waste disposal in the city of Kraljevo.",
publisher = "Springer-Verlag GmbH Germany, part of Springer Nature",
journal = "Environmental Science and Pollution Research",
title = "Sanitary landfill site selection using GIS-based on a fuzzy multi-criteria evaluation technique: a case study of the City of Kraljevo, Serbia",
volume = "30",
number = "13",
pages = "37961-37980",
doi = "10.1007/s11356-022-24884-8"
}

Durlević, U., Novković, I., Carević, I., Valjarević, D., Marjanović, A., Batoćanin, N., Krstić, F., Stojanović, L.,& Valjarević, A.. (2022). Sanitary landfill site selection using GIS-based on a fuzzy multi-criteria evaluation technique: a case study of the City of Kraljevo, Serbia. in Environmental Science and Pollution Research
Springer-Verlag GmbH Germany, part of Springer Nature., 30(13), 37961-37980.
https://doi.org/10.1007/s11356-022-24884-8

Durlević U, Novković I, Carević I, Valjarević D, Marjanović A, Batoćanin N, Krstić F, Stojanović L, Valjarević A. Sanitary landfill site selection using GIS-based on a fuzzy multi-criteria evaluation technique: a case study of the City of Kraljevo, Serbia. in Environmental Science and Pollution Research. 2022;30(13):37961-37980.
doi:10.1007/s11356-022-24884-8 .

Durlević, Uroš, Novković, Ivan, Carević, Ivana, Valjarević, Dragana, Marjanović, Aleksa, Batoćanin, Natalija, Krstić, Filip, Stojanović, Luka, Valjarević, Aleksandar, "Sanitary landfill site selection using GIS-based on a fuzzy multi-criteria evaluation technique: a case study of the City of Kraljevo, Serbia" in Environmental Science and Pollution Research, 30, no. 13 (2022):37961-37980,
https://doi.org/10.1007/s11356-022-24884-8 . .

TY  - JOUR
AU  - Petrović, Milena
AU  - Valjarević, Dragana
AU  - Ilić, Dejan
AU  - Valjarević, Aleksandar
AU  - Mladenović, Julija
PY  - 2022
UR  - http://gery.gef.bg.ac.rs/handle/123456789/1185
AB  - We propose an improved variant of the accelerated gradient optimization models for solving unconstrained minimization problems. Merging the positive features of either double direction, as well as double step size accelerated gradient models, we define an iterative method of a simpler form which is generally more effective. Performed convergence analysis shows that the defined iterative method is at least linearly convergent for uniformly convex and strictly convex functions. Numerical test results confirm the efficiency of the developed model regarding the CPU time, the number of iterations and the number of function evaluations metrics
PB  - Basel : MDPI
T2  - Mathematics
T1  - An Improved Modification of Accelerated Double Direction and Double Step-Size Optimization Schemes
VL  - 10
IS  - 2
SP  - 259
DO  - 10.3390/math10020259
ER  - 

@article{
author = "Petrović, Milena and Valjarević, Dragana and Ilić, Dejan and Valjarević, Aleksandar and Mladenović, Julija",
year = "2022",
abstract = "We propose an improved variant of the accelerated gradient optimization models for solving unconstrained minimization problems. Merging the positive features of either double direction, as well as double step size accelerated gradient models, we define an iterative method of a simpler form which is generally more effective. Performed convergence analysis shows that the defined iterative method is at least linearly convergent for uniformly convex and strictly convex functions. Numerical test results confirm the efficiency of the developed model regarding the CPU time, the number of iterations and the number of function evaluations metrics",
publisher = "Basel : MDPI",
journal = "Mathematics",
title = "An Improved Modification of Accelerated Double Direction and Double Step-Size Optimization Schemes",
volume = "10",
number = "2",
pages = "259",
doi = "10.3390/math10020259"
}

Petrović, M., Valjarević, D., Ilić, D., Valjarević, A.,& Mladenović, J.. (2022). An Improved Modification of Accelerated Double Direction and Double Step-Size Optimization Schemes. in Mathematics
Basel : MDPI., 10(2), 259.
https://doi.org/10.3390/math10020259

Petrović M, Valjarević D, Ilić D, Valjarević A, Mladenović J. An Improved Modification of Accelerated Double Direction and Double Step-Size Optimization Schemes. in Mathematics. 2022;10(2):259.
doi:10.3390/math10020259 .

Petrović, Milena, Valjarević, Dragana, Ilić, Dejan, Valjarević, Aleksandar, Mladenović, Julija, "An Improved Modification of Accelerated Double Direction and Double Step-Size Optimization Schemes" in Mathematics, 10, no. 2 (2022):259,
https://doi.org/10.3390/math10020259 . .

TY  - JOUR
AU  - Stanojević-Ristić, Zorica
AU  - Mrkić, Isidora
AU  - Ćorac, Aleksandar
AU  - Dejanović, Mirjana
AU  - Mitić, Radoslav
AU  - Vitković, Leonida
AU  - Rašić, Julijana
AU  - Valjarević, Dragana
AU  - Valjarević, Aleksandar
PY  - 2022
UR  - http://gery.gef.bg.ac.rs/handle/123456789/1178
AB  - Given the widespread use of dietary supplements (DS) and herbal products (HP), healthcare professionals (HCPs) will increasingly encounter patients who use these preparations with conventional drugs and who need their services to reduce the consequences of adverse therapeutic outcomes. The aim of our survey was to assess the knowledge and behaviors of HCPs regarding the risk of potential drug–dietary supplement (DDSIs) and drug–herbal product (DHPIs) interactions. This cross-sectional survey collected data via on paper-based questionnaire among general practitioners (GPs) (n = 105), specialty doctors (n = 87) and nurses (n = 154). The HCPs were mostly familiar with the interaction of doxycycline with magnesium (83%) and were least familiar with interaction of warfarin with glucosamine (14%). The results on DDSIs and DHPIs knowledge showed that GPs scored significantly higher than nurses (p < 0.001 and p = 0.003, respectively), while specialty doctors scored significantly higher than nurses only on DDSIs knowledge (p < 0.001). Only 28% of respondents reported that they often or always ask patients on drug therapy about the use of DS or HP, and 25% of respondents record such data in the medical documentation of patients. Our results showed that HCPs have sufficient knowledge about most major DDSIs and DHPIs, but insufficient knowledge about most moderate interactions. However, their overall knowledge and behavior regarding the risk of these interactions indicate the need for further continuing education and training
PB  - Basel : MDPI
T2  - International Journal of Environmental Research and Public Health
T1  - Healthcare Professionals’ Knowledge and Behaviors Regarding Drug–Dietary Supplement and Drug–Herbal Product Interactions
VL  - 19
IS  - 7
SP  - 4290
DO  - 10.3390/ijerph19074290
ER  - 

@article{
author = "Stanojević-Ristić, Zorica and Mrkić, Isidora and Ćorac, Aleksandar and Dejanović, Mirjana and Mitić, Radoslav and Vitković, Leonida and Rašić, Julijana and Valjarević, Dragana and Valjarević, Aleksandar",
year = "2022",
abstract = "Given the widespread use of dietary supplements (DS) and herbal products (HP), healthcare professionals (HCPs) will increasingly encounter patients who use these preparations with conventional drugs and who need their services to reduce the consequences of adverse therapeutic outcomes. The aim of our survey was to assess the knowledge and behaviors of HCPs regarding the risk of potential drug–dietary supplement (DDSIs) and drug–herbal product (DHPIs) interactions. This cross-sectional survey collected data via on paper-based questionnaire among general practitioners (GPs) (n = 105), specialty doctors (n = 87) and nurses (n = 154). The HCPs were mostly familiar with the interaction of doxycycline with magnesium (83%) and were least familiar with interaction of warfarin with glucosamine (14%). The results on DDSIs and DHPIs knowledge showed that GPs scored significantly higher than nurses (p < 0.001 and p = 0.003, respectively), while specialty doctors scored significantly higher than nurses only on DDSIs knowledge (p < 0.001). Only 28% of respondents reported that they often or always ask patients on drug therapy about the use of DS or HP, and 25% of respondents record such data in the medical documentation of patients. Our results showed that HCPs have sufficient knowledge about most major DDSIs and DHPIs, but insufficient knowledge about most moderate interactions. However, their overall knowledge and behavior regarding the risk of these interactions indicate the need for further continuing education and training",
publisher = "Basel : MDPI",
journal = "International Journal of Environmental Research and Public Health",
title = "Healthcare Professionals’ Knowledge and Behaviors Regarding Drug–Dietary Supplement and Drug–Herbal Product Interactions",
volume = "19",
number = "7",
pages = "4290",
doi = "10.3390/ijerph19074290"
}

Stanojević-Ristić, Z., Mrkić, I., Ćorac, A., Dejanović, M., Mitić, R., Vitković, L., Rašić, J., Valjarević, D.,& Valjarević, A.. (2022). Healthcare Professionals’ Knowledge and Behaviors Regarding Drug–Dietary Supplement and Drug–Herbal Product Interactions. in International Journal of Environmental Research and Public Health
Basel : MDPI., 19(7), 4290.
https://doi.org/10.3390/ijerph19074290

Stanojević-Ristić Z, Mrkić I, Ćorac A, Dejanović M, Mitić R, Vitković L, Rašić J, Valjarević D, Valjarević A. Healthcare Professionals’ Knowledge and Behaviors Regarding Drug–Dietary Supplement and Drug–Herbal Product Interactions. in International Journal of Environmental Research and Public Health. 2022;19(7):4290.
doi:10.3390/ijerph19074290 .

Stanojević-Ristić, Zorica, Mrkić, Isidora, Ćorac, Aleksandar, Dejanović, Mirjana, Mitić, Radoslav, Vitković, Leonida, Rašić, Julijana, Valjarević, Dragana, Valjarević, Aleksandar, "Healthcare Professionals’ Knowledge and Behaviors Regarding Drug–Dietary Supplement and Drug–Herbal Product Interactions" in International Journal of Environmental Research and Public Health, 19, no. 7 (2022):4290,
https://doi.org/10.3390/ijerph19074290 . .

TY  - CONF
AU  - Valjarević, Aleksandar
AU  - Valjarević, Dragana
PY  - 2021
UR  - http://gery.gef.bg.ac.rs/handle/123456789/1595
AB  - Razvoj računarske tehnologije i tehnike virtuelne stvarnosti doveo je do brojnih promena u kartografiji. Od početnog razvoja računarske tehnologije čovek je pokušavao stvoriti  virtuelnu sliku sveta koju bi na istovetan način, kao i sliku „stvarnog“ sveta, mogao doživeti  svim čulima. Digitalnom revolucijom u poslednjoj četvrtini XX veka, 2D digitalne karte su počele  da održavaju interaktivnu komunikaciju geoinformacija, premijerno omogućujući prilagođavanje sadržaja karte zadacima i kontekstima zasnovanim na uslužno orijentisanoj arhitekturi.  Turizam je postao važna privredna grana - povećava rast bruto domaćeg proizvoda, izvoz i zaposlenost. Kao heterogena delatnost ima uticaj i na srodne privredne delatnosti -poljoprivredu,  trgovinu, građevinarstvo, saobraćaj itd. Opšti privredni razvoj, urbanizacija, neracionalno korišćenje prirodnih resursa, odlaganje svih vrsta otpada, kao i masovna i nekontrolisana primena  hemijskih sredstava u poljoprivredi, doveli su do veoma nezadovoljavajućeg stanja u životnoj  sredini. Turizam karakteriše hipermobilnost- porast životnog standarda, nivoa obrazovanja, višak slobodnog vremena itd., što dovodi do negativnih globalnih efekata po životnu sredinu.
PB  - Beograd : Asocijacija prostornih planera Srbije
PB  - Beograd : Univerzitet u Beogradu - Geografski fakultet
C3  - Zbornik radova Jedanaestog naučno-stručnog skupa sa međunarodnim učešćem "Planska i normativna zaštita prostora i životne sredine", Vršac
T1  - Primena GIS-a u održivom razvoju turizma i zaštiti životne sredine
SP  - 441
EP  - 445
UR  - https://hdl.handle.net/21.15107/rcub_gery_1595
ER  - 

@conference{
author = "Valjarević, Aleksandar and Valjarević, Dragana",
year = "2021",
abstract = "Razvoj računarske tehnologije i tehnike virtuelne stvarnosti doveo je do brojnih promena u kartografiji. Od početnog razvoja računarske tehnologije čovek je pokušavao stvoriti  virtuelnu sliku sveta koju bi na istovetan način, kao i sliku „stvarnog“ sveta, mogao doživeti  svim čulima. Digitalnom revolucijom u poslednjoj četvrtini XX veka, 2D digitalne karte su počele  da održavaju interaktivnu komunikaciju geoinformacija, premijerno omogućujući prilagođavanje sadržaja karte zadacima i kontekstima zasnovanim na uslužno orijentisanoj arhitekturi.  Turizam je postao važna privredna grana - povećava rast bruto domaćeg proizvoda, izvoz i zaposlenost. Kao heterogena delatnost ima uticaj i na srodne privredne delatnosti -poljoprivredu,  trgovinu, građevinarstvo, saobraćaj itd. Opšti privredni razvoj, urbanizacija, neracionalno korišćenje prirodnih resursa, odlaganje svih vrsta otpada, kao i masovna i nekontrolisana primena  hemijskih sredstava u poljoprivredi, doveli su do veoma nezadovoljavajućeg stanja u životnoj  sredini. Turizam karakteriše hipermobilnost- porast životnog standarda, nivoa obrazovanja, višak slobodnog vremena itd., što dovodi do negativnih globalnih efekata po životnu sredinu.",
publisher = "Beograd : Asocijacija prostornih planera Srbije, Beograd : Univerzitet u Beogradu - Geografski fakultet",
journal = "Zbornik radova Jedanaestog naučno-stručnog skupa sa međunarodnim učešćem "Planska i normativna zaštita prostora i životne sredine", Vršac",
title = "Primena GIS-a u održivom razvoju turizma i zaštiti životne sredine",
pages = "441-445",
url = "https://hdl.handle.net/21.15107/rcub_gery_1595"
}

Valjarević, A.,& Valjarević, D.. (2021). Primena GIS-a u održivom razvoju turizma i zaštiti životne sredine. in Zbornik radova Jedanaestog naučno-stručnog skupa sa međunarodnim učešćem "Planska i normativna zaštita prostora i životne sredine", Vršac
Beograd : Asocijacija prostornih planera Srbije., 441-445.
https://hdl.handle.net/21.15107/rcub_gery_1595

Valjarević A, Valjarević D. Primena GIS-a u održivom razvoju turizma i zaštiti životne sredine. in Zbornik radova Jedanaestog naučno-stručnog skupa sa međunarodnim učešćem "Planska i normativna zaštita prostora i životne sredine", Vršac. 2021;:441-445.
https://hdl.handle.net/21.15107/rcub_gery_1595 .

Valjarević, Aleksandar, Valjarević, Dragana, "Primena GIS-a u održivom razvoju turizma i zaštiti životne sredine" in Zbornik radova Jedanaestog naučno-stručnog skupa sa međunarodnim učešćem "Planska i normativna zaštita prostora i životne sredine", Vršac (2021):441-445,
https://hdl.handle.net/21.15107/rcub_gery_1595 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Milanović, Miško
AU  - Valjarević, Dragana
AU  - Basarin, Biljana
AU  - Gribb, William
AU  - Lukić, Tin
PY  - 2021
UR  - http://gery.gef.bg.ac.rs/handle/123456789/1441
AB  - In a fast growing region of Middle East and with rapid depletion of fossil groundwater, possibilities for dew utilization as a limited renewable water resource play an important role in the water management of the United Arab Emirates. Despite projected changes in air temperature and rainfall, geographical and topographical features of the UAE show some potential for dew harvesting, mostly at the altitudes higher than 1000 m and some isolated oasis areas. With the help of geographical information system (GIS), remote sensing, and numerical and theoretical methods, approximate volumes of dew were estimated. Meteorological data was inputted together with theoretical and numerical calculations into grids by using pixelization processes. Methods such as zonal statistics, kriging, semi-kriging, and interpolation were implemented through GIS software. Another method used in this research is supervised classification and normalized difference vegetation index (NDVI) which is being determined by means of software IDRISI terra set. After finishing all the proposed methods applied in this research, four belts of potential dew use were presented. The Arabian Desert in the territory of the United Arab Emirates has no potential for dew utilization. The zone close to the oases has very low possibility of dew use. The hilly-mountainous area between 500 and 800 m.a.s.l. has medium possibility for dew use. There is a high possibility for dew use on mountain Al Hajar, occupying the area higher than 800 m; 1.3% of the whole country’s territory has excellent potential for dew use. In this part of the country, theoretically, it is possible to use dew for farming and partial watering. Experimental study together with GIS, remote sensing, and numerical analysis may extend knowledge about dew properties. Although this research includes theoretical calculations of dew utilization and has some limitations, it still presents a new insight into climate cycles in this part of the Arabian Peninsula and a way to understand them better.
PB  - Springer Nature
T2  - Arabian Journal of Geosciences
T1  - Geographical information systems and remote sensing methods in the estimation of potential dew volume and its utilization in the United Arab Emirates
VL  - 14
IS  - 15
SP  - 1430
DO  - 10.1007/s12517-021-07771-3
ER  - 

@article{
author = "Valjarević, Aleksandar and Milanović, Miško and Valjarević, Dragana and Basarin, Biljana and Gribb, William and Lukić, Tin",
year = "2021",
abstract = "In a fast growing region of Middle East and with rapid depletion of fossil groundwater, possibilities for dew utilization as a limited renewable water resource play an important role in the water management of the United Arab Emirates. Despite projected changes in air temperature and rainfall, geographical and topographical features of the UAE show some potential for dew harvesting, mostly at the altitudes higher than 1000 m and some isolated oasis areas. With the help of geographical information system (GIS), remote sensing, and numerical and theoretical methods, approximate volumes of dew were estimated. Meteorological data was inputted together with theoretical and numerical calculations into grids by using pixelization processes. Methods such as zonal statistics, kriging, semi-kriging, and interpolation were implemented through GIS software. Another method used in this research is supervised classification and normalized difference vegetation index (NDVI) which is being determined by means of software IDRISI terra set. After finishing all the proposed methods applied in this research, four belts of potential dew use were presented. The Arabian Desert in the territory of the United Arab Emirates has no potential for dew utilization. The zone close to the oases has very low possibility of dew use. The hilly-mountainous area between 500 and 800 m.a.s.l. has medium possibility for dew use. There is a high possibility for dew use on mountain Al Hajar, occupying the area higher than 800 m; 1.3% of the whole country’s territory has excellent potential for dew use. In this part of the country, theoretically, it is possible to use dew for farming and partial watering. Experimental study together with GIS, remote sensing, and numerical analysis may extend knowledge about dew properties. Although this research includes theoretical calculations of dew utilization and has some limitations, it still presents a new insight into climate cycles in this part of the Arabian Peninsula and a way to understand them better.",
publisher = "Springer Nature",
journal = "Arabian Journal of Geosciences",
title = "Geographical information systems and remote sensing methods in the estimation of potential dew volume and its utilization in the United Arab Emirates",
volume = "14",
number = "15",
pages = "1430",
doi = "10.1007/s12517-021-07771-3"
}

Valjarević, A., Milanović, M., Valjarević, D., Basarin, B., Gribb, W.,& Lukić, T.. (2021). Geographical information systems and remote sensing methods in the estimation of potential dew volume and its utilization in the United Arab Emirates. in Arabian Journal of Geosciences
Springer Nature., 14(15), 1430.
https://doi.org/10.1007/s12517-021-07771-3

Valjarević A, Milanović M, Valjarević D, Basarin B, Gribb W, Lukić T. Geographical information systems and remote sensing methods in the estimation of potential dew volume and its utilization in the United Arab Emirates. in Arabian Journal of Geosciences. 2021;14(15):1430.
doi:10.1007/s12517-021-07771-3 .

Valjarević, Aleksandar, Milanović, Miško, Valjarević, Dragana, Basarin, Biljana, Gribb, William, Lukić, Tin, "Geographical information systems and remote sensing methods in the estimation of potential dew volume and its utilization in the United Arab Emirates" in Arabian Journal of Geosciences, 14, no. 15 (2021):1430,
https://doi.org/10.1007/s12517-021-07771-3 . .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Valjarević, Dragana
AU  - Filipović, Dejan
AU  - Dragojlović, Jovan
AU  - Milosavljević, Saša
AU  - Milanović, Miško
PY  - 2021
UR  - https://gery.gef.bg.ac.rs/handle/123456789/1087
AB  - The subject of this paper is to present an investigation of renewable energy potential in one small municipality in south Serbia. Serbia has a relatively small area but a large number of renewable energy resources. This energy is divided into solar, wind, geothermal and waste wood. One municipality on the south east has very large potential for the renewable energy utilization. The municipality of Kursumlija has an area of 952 km(2) but with poor dense of the population. In this municipality we have one of the most powerful resources of the renewable energy, estimated on 118.5 MWt. With the help of different methods such as GIS (Geographical Information System), numerical and geo-statistical analyses, were analyzed total capacity of the renewable energy. Other relevant documents are the municipality strategy documents, satellite recordings, cadaster data, analogue plans and maps. The estimated capacity of geothermal energy with included 23 springs may reach 25.5 MWt. The waste wood estimated capacity is may reach 1123.5 TJ/year or 35.6 MWt. The solar potential may reach 1810.8 Tj/year or 57.4 MWt. The main goal of this research is to present renewable energy potential of the municipality and compare it with dirty kinds of energy. Other goals are to present benefits and advantages of the utilization of renewable energy sources. This research is also important to present to the broader readership and it can be the start initiative for deeper investigation of renewable energy resources.
PB  - Olsztyn : HARD Publishing Company
T2  - Polish Journal of Environmental Studies
T1  - One Small Municipality and Future of Renewable Energy Strategy
VL  - 30
IS  - 1
SP  - 1
EP  - 9
DO  - 10.15244/pjoes/122451
UR  - https://hdl.handle.net/21.15107/rcub_gery_1087
ER  - 

@article{
author = "Valjarević, Aleksandar and Valjarević, Dragana and Filipović, Dejan and Dragojlović, Jovan and Milosavljević, Saša and Milanović, Miško",
year = "2021",
abstract = "The subject of this paper is to present an investigation of renewable energy potential in one small municipality in south Serbia. Serbia has a relatively small area but a large number of renewable energy resources. This energy is divided into solar, wind, geothermal and waste wood. One municipality on the south east has very large potential for the renewable energy utilization. The municipality of Kursumlija has an area of 952 km(2) but with poor dense of the population. In this municipality we have one of the most powerful resources of the renewable energy, estimated on 118.5 MWt. With the help of different methods such as GIS (Geographical Information System), numerical and geo-statistical analyses, were analyzed total capacity of the renewable energy. Other relevant documents are the municipality strategy documents, satellite recordings, cadaster data, analogue plans and maps. The estimated capacity of geothermal energy with included 23 springs may reach 25.5 MWt. The waste wood estimated capacity is may reach 1123.5 TJ/year or 35.6 MWt. The solar potential may reach 1810.8 Tj/year or 57.4 MWt. The main goal of this research is to present renewable energy potential of the municipality and compare it with dirty kinds of energy. Other goals are to present benefits and advantages of the utilization of renewable energy sources. This research is also important to present to the broader readership and it can be the start initiative for deeper investigation of renewable energy resources.",
publisher = "Olsztyn : HARD Publishing Company",
journal = "Polish Journal of Environmental Studies",
title = "One Small Municipality and Future of Renewable Energy Strategy",
volume = "30",
number = "1",
pages = "1-9",
doi = "10.15244/pjoes/122451",
url = "https://hdl.handle.net/21.15107/rcub_gery_1087"
}

Valjarević, A., Valjarević, D., Filipović, D., Dragojlović, J., Milosavljević, S.,& Milanović, M.. (2021). One Small Municipality and Future of Renewable Energy Strategy. in Polish Journal of Environmental Studies
Olsztyn : HARD Publishing Company., 30(1), 1-9.
https://doi.org/10.15244/pjoes/122451
https://hdl.handle.net/21.15107/rcub_gery_1087

Valjarević A, Valjarević D, Filipović D, Dragojlović J, Milosavljević S, Milanović M. One Small Municipality and Future of Renewable Energy Strategy. in Polish Journal of Environmental Studies. 2021;30(1):1-9.
doi:10.15244/pjoes/122451
https://hdl.handle.net/21.15107/rcub_gery_1087 .

Valjarević, Aleksandar, Valjarević, Dragana, Filipović, Dejan, Dragojlović, Jovan, Milosavljević, Saša, Milanović, Miško, "One Small Municipality and Future of Renewable Energy Strategy" in Polish Journal of Environmental Studies, 30, no. 1 (2021):1-9,
https://doi.org/10.15244/pjoes/122451 .,
https://hdl.handle.net/21.15107/rcub_gery_1087 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Milić, Marija
AU  - Valjarević, Dragana
AU  - Stanojević-Ristić, Zorica
AU  - Petrović, Ljiljana
AU  - Milanović, Miško
AU  - Filipović, Dejan
AU  - Ristanović, Branko
AU  - Basarin, Biljana
AU  - Lukić, Tin
PY  - 2020
UR  - https://gery.gef.bg.ac.rs/handle/123456789/1067
AB  - In December 2019, the virus SARS-CoV-2 responsible for the COVID-19 pandemic was detected in the Chinese city of Wuhan. The virus started to spread from China and dispersed over the rest of the world. In March 2020, WHO (World Health Organization) declared COVID-19 a pandemic. The transmission path of the pandemic was accelerated by different types of transportation. With complete analysis of spatial data, population density, types of traffic networks, and their properties, the spatial distribution of COVID-19 was estimated. GIS (Geographical Information System), numerical methods, and software for network analysis were used in this research to model scenarios of virus distribution on a global scale. The analyzed data included air, railway, marine, and road traffic. In the pandemic research, numerous models of possible trajectory of viruses can be created. Many have a stochastic character. This study includes all countries in the world affected by the COVID-19 up to date. In this study, GIS methods such as buffer, interpolations, and numerical analysis were used in order to estimate and visualize ongoing COVID-19 pandemic situation. According to the availability of new data, trajectory of virus paths was estimated. On the other hand, sparsely populated areas with poorly developed and small traffic networks (and isolated island territories) tend to be less or not affected as shown by the model. This low-cost approach can be used in order to define important measures that need to be addressed and implemented in order to successfully mitigate the implications of COVID-19 not only on global, but local and regional scales as well.
PB  - De Gruyter Open Access
T2  - Open Geosciences
T1  - Modelling and mapping of the COVID-19 trajectory and pandemic paths at global scale: A geographer's perspective
VL  - 12
IS  - 1
SP  - 1603
EP  - 1616
DO  - 10.1515/geo-2020-0156
UR  - https://hdl.handle.net/21.15107/rcub_gery_1067
ER  - 

@article{
author = "Valjarević, Aleksandar and Milić, Marija and Valjarević, Dragana and Stanojević-Ristić, Zorica and Petrović, Ljiljana and Milanović, Miško and Filipović, Dejan and Ristanović, Branko and Basarin, Biljana and Lukić, Tin",
year = "2020",
abstract = "In December 2019, the virus SARS-CoV-2 responsible for the COVID-19 pandemic was detected in the Chinese city of Wuhan. The virus started to spread from China and dispersed over the rest of the world. In March 2020, WHO (World Health Organization) declared COVID-19 a pandemic. The transmission path of the pandemic was accelerated by different types of transportation. With complete analysis of spatial data, population density, types of traffic networks, and their properties, the spatial distribution of COVID-19 was estimated. GIS (Geographical Information System), numerical methods, and software for network analysis were used in this research to model scenarios of virus distribution on a global scale. The analyzed data included air, railway, marine, and road traffic. In the pandemic research, numerous models of possible trajectory of viruses can be created. Many have a stochastic character. This study includes all countries in the world affected by the COVID-19 up to date. In this study, GIS methods such as buffer, interpolations, and numerical analysis were used in order to estimate and visualize ongoing COVID-19 pandemic situation. According to the availability of new data, trajectory of virus paths was estimated. On the other hand, sparsely populated areas with poorly developed and small traffic networks (and isolated island territories) tend to be less or not affected as shown by the model. This low-cost approach can be used in order to define important measures that need to be addressed and implemented in order to successfully mitigate the implications of COVID-19 not only on global, but local and regional scales as well.",
publisher = "De Gruyter Open Access",
journal = "Open Geosciences",
title = "Modelling and mapping of the COVID-19 trajectory and pandemic paths at global scale: A geographer's perspective",
volume = "12",
number = "1",
pages = "1603-1616",
doi = "10.1515/geo-2020-0156",
url = "https://hdl.handle.net/21.15107/rcub_gery_1067"
}

Valjarević, A., Milić, M., Valjarević, D., Stanojević-Ristić, Z., Petrović, L., Milanović, M., Filipović, D., Ristanović, B., Basarin, B.,& Lukić, T.. (2020). Modelling and mapping of the COVID-19 trajectory and pandemic paths at global scale: A geographer's perspective. in Open Geosciences
De Gruyter Open Access., 12(1), 1603-1616.
https://doi.org/10.1515/geo-2020-0156
https://hdl.handle.net/21.15107/rcub_gery_1067

Valjarević A, Milić M, Valjarević D, Stanojević-Ristić Z, Petrović L, Milanović M, Filipović D, Ristanović B, Basarin B, Lukić T. Modelling and mapping of the COVID-19 trajectory and pandemic paths at global scale: A geographer's perspective. in Open Geosciences. 2020;12(1):1603-1616.
doi:10.1515/geo-2020-0156
https://hdl.handle.net/21.15107/rcub_gery_1067 .

Valjarević, Aleksandar, Milić, Marija, Valjarević, Dragana, Stanojević-Ristić, Zorica, Petrović, Ljiljana, Milanović, Miško, Filipović, Dejan, Ristanović, Branko, Basarin, Biljana, Lukić, Tin, "Modelling and mapping of the COVID-19 trajectory and pandemic paths at global scale: A geographer's perspective" in Open Geosciences, 12, no. 1 (2020):1603-1616,
https://doi.org/10.1515/geo-2020-0156 .,
https://hdl.handle.net/21.15107/rcub_gery_1067 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Filipović, Dejan
AU  - Valjarević, Dragana
AU  - Milanović, Miško
AU  - Milosević, Slavisa
AU  - Živić, Nebojša
AU  - Lukić, Tin
PY  - 2020
UR  - https://gery.gef.bg.ac.rs/handle/123456789/1057
AB  - With the help of satellite data and numerical geographical information system (GIS) methods, the total capacity of dew volume on the entire territory of the Republic of Serbia was estimated. Multicriteria GIS analysis and satellite detections with the support of methods such as kriging and semi-kriging gave satisfactory results in the present research. After the download of satellite data, they were compared with meteorological data for precipitation, evaporation and air temperature. A very precise grid in 1 x 1 degrees of longitude and latitude was created. The average estimated dew potential for the territory of Serbia is 20-40 mm.year(-1)for the south of the country, 15 mm.year(-1)for the north, 30-50 mm.year(-1)for the central region and 20-30 mm.year(-1)for the east. In most drought regions, it is  lt  10 mm.year(-1).m(-2). Counties with the largest dew capacity (between 15,200 and 20,000 L) include Borski, Nisavski and Jablanicki in the eastern part of the country, as well as Zlatiborski, Raski and Pec in the western and southern parts, respectively. On the other hand, counties with the lowest dew capacity (2,000-3,000 L) encompass northern parts of Serbia (Sremski, Severno-Banatski, Srednje-Banatski, Juzno-Banatski, Severno-Backi and Zapadno-Backi). The possibility for dew use is particularly strong during the spring. The estimated total capacity of the dew potential for Serbia is 1.5 x 10(7)L. By comparing the obtained data for Serbia, it is concluded that the amount of this type of water resource is not large, but enough for use in agricultural and other economic sectors.
PB  - Wiley, Hoboken
T2  - Meteorological Applications
T1  - GIS and remote sensing techniques for the estimation of dew volume in the Republic of Serbia
VL  - 27
IS  - 3
DO  - 10.1002/met.1930
UR  - https://hdl.handle.net/21.15107/rcub_gery_1057
ER  - 

@article{
author = "Valjarević, Aleksandar and Filipović, Dejan and Valjarević, Dragana and Milanović, Miško and Milosević, Slavisa and Živić, Nebojša and Lukić, Tin",
year = "2020",
abstract = "With the help of satellite data and numerical geographical information system (GIS) methods, the total capacity of dew volume on the entire territory of the Republic of Serbia was estimated. Multicriteria GIS analysis and satellite detections with the support of methods such as kriging and semi-kriging gave satisfactory results in the present research. After the download of satellite data, they were compared with meteorological data for precipitation, evaporation and air temperature. A very precise grid in 1 x 1 degrees of longitude and latitude was created. The average estimated dew potential for the territory of Serbia is 20-40 mm.year(-1)for the south of the country, 15 mm.year(-1)for the north, 30-50 mm.year(-1)for the central region and 20-30 mm.year(-1)for the east. In most drought regions, it is  lt  10 mm.year(-1).m(-2). Counties with the largest dew capacity (between 15,200 and 20,000 L) include Borski, Nisavski and Jablanicki in the eastern part of the country, as well as Zlatiborski, Raski and Pec in the western and southern parts, respectively. On the other hand, counties with the lowest dew capacity (2,000-3,000 L) encompass northern parts of Serbia (Sremski, Severno-Banatski, Srednje-Banatski, Juzno-Banatski, Severno-Backi and Zapadno-Backi). The possibility for dew use is particularly strong during the spring. The estimated total capacity of the dew potential for Serbia is 1.5 x 10(7)L. By comparing the obtained data for Serbia, it is concluded that the amount of this type of water resource is not large, but enough for use in agricultural and other economic sectors.",
publisher = "Wiley, Hoboken",
journal = "Meteorological Applications",
title = "GIS and remote sensing techniques for the estimation of dew volume in the Republic of Serbia",
volume = "27",
number = "3",
doi = "10.1002/met.1930",
url = "https://hdl.handle.net/21.15107/rcub_gery_1057"
}

Valjarević, A., Filipović, D., Valjarević, D., Milanović, M., Milosević, S., Živić, N.,& Lukić, T.. (2020). GIS and remote sensing techniques for the estimation of dew volume in the Republic of Serbia. in Meteorological Applications
Wiley, Hoboken., 27(3).
https://doi.org/10.1002/met.1930
https://hdl.handle.net/21.15107/rcub_gery_1057

Valjarević A, Filipović D, Valjarević D, Milanović M, Milosević S, Živić N, Lukić T. GIS and remote sensing techniques for the estimation of dew volume in the Republic of Serbia. in Meteorological Applications. 2020;27(3).
doi:10.1002/met.1930
https://hdl.handle.net/21.15107/rcub_gery_1057 .

Valjarević, Aleksandar, Filipović, Dejan, Valjarević, Dragana, Milanović, Miško, Milosević, Slavisa, Živić, Nebojša, Lukić, Tin, "GIS and remote sensing techniques for the estimation of dew volume in the Republic of Serbia" in Meteorological Applications, 27, no. 3 (2020),
https://doi.org/10.1002/met.1930 .,
https://hdl.handle.net/21.15107/rcub_gery_1057 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Filipović, Dejan
AU  - Milanović, Miško
AU  - Valjarević, Dragana
PY  - 2020
UR  - https://gery.gef.bg.ac.rs/handle/123456789/1063
AB  - Sea surface salinity presents one of the most important chemical elements in the water. Climatic variables, included in new view of salinity distribution at a global scale, were used in this research. For the purpose of this research newly updated climate parameters for the period until 2100 were used along with (CMIP5) climatological model. The new distribution of surface salinity may show water desalination and energy potential. This map can be useful in the determination of new littoral areas or for fishermen's routes. These data are presented in geo-tiff raster extension with the resolution of 0.1. This map could be updated with climatological parameters with obtained medium climate change effects. Some places in the world sea have low, some have high salinity. Salinity increases in accordance with the increase of precipitation and decreases with the decrease of it. The paper presents following maps; salinity world map when there is no climate change; the moderate one, if the temperature increases for 2.0 degrees C until 2100, and high if the increase of temperature was between 2.0 degrees C and 5.0 degrees C. The three scenarios were taken to show updated maps of world salinity in comparison with climate change effects.
PB  - Springer Basel Ag, Basel
T2  - Pure and Applied Geophysics
T1  - New Updated World Maps of Sea-Surface Salinity
VL  - 177
IS  - 6
SP  - 2977
EP  - 2992
DO  - 10.1007/s00024-019-02404-z
UR  - https://hdl.handle.net/21.15107/rcub_gery_1063
ER  - 

@article{
author = "Valjarević, Aleksandar and Filipović, Dejan and Milanović, Miško and Valjarević, Dragana",
year = "2020",
abstract = "Sea surface salinity presents one of the most important chemical elements in the water. Climatic variables, included in new view of salinity distribution at a global scale, were used in this research. For the purpose of this research newly updated climate parameters for the period until 2100 were used along with (CMIP5) climatological model. The new distribution of surface salinity may show water desalination and energy potential. This map can be useful in the determination of new littoral areas or for fishermen's routes. These data are presented in geo-tiff raster extension with the resolution of 0.1. This map could be updated with climatological parameters with obtained medium climate change effects. Some places in the world sea have low, some have high salinity. Salinity increases in accordance with the increase of precipitation and decreases with the decrease of it. The paper presents following maps; salinity world map when there is no climate change; the moderate one, if the temperature increases for 2.0 degrees C until 2100, and high if the increase of temperature was between 2.0 degrees C and 5.0 degrees C. The three scenarios were taken to show updated maps of world salinity in comparison with climate change effects.",
publisher = "Springer Basel Ag, Basel",
journal = "Pure and Applied Geophysics",
title = "New Updated World Maps of Sea-Surface Salinity",
volume = "177",
number = "6",
pages = "2977-2992",
doi = "10.1007/s00024-019-02404-z",
url = "https://hdl.handle.net/21.15107/rcub_gery_1063"
}

Valjarević, A., Filipović, D., Milanović, M.,& Valjarević, D.. (2020). New Updated World Maps of Sea-Surface Salinity. in Pure and Applied Geophysics
Springer Basel Ag, Basel., 177(6), 2977-2992.
https://doi.org/10.1007/s00024-019-02404-z
https://hdl.handle.net/21.15107/rcub_gery_1063

Valjarević A, Filipović D, Milanović M, Valjarević D. New Updated World Maps of Sea-Surface Salinity. in Pure and Applied Geophysics. 2020;177(6):2977-2992.
doi:10.1007/s00024-019-02404-z
https://hdl.handle.net/21.15107/rcub_gery_1063 .

Valjarević, Aleksandar, Filipović, Dejan, Milanović, Miško, Valjarević, Dragana, "New Updated World Maps of Sea-Surface Salinity" in Pure and Applied Geophysics, 177, no. 6 (2020):2977-2992,
https://doi.org/10.1007/s00024-019-02404-z .,
https://hdl.handle.net/21.15107/rcub_gery_1063 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Valjarević, Dragana
AU  - Stanojević-Ristić, Zorica
PY  - 2018
UR  - https://gery.gef.bg.ac.rs/handle/123456789/887
AB  - In this paper, we investigated the connection between the Holy Bible texts and climate changes. Also, for the texts from Bible (Old Testament) about time, space, energy, climate and climate changes, a scientific interpretation is obtained. By the today's prognosis scientists share the opinion that the climate changes may destroy the civilization on Earth. In the texts of Bible, we try to find a connection between the Holy text and climate changes. For example, big flood in the Noah time can indicate one strong climate change's influence. Interpretation of Bible will always have an enormous importance for past, present and future science.
PB  - Acad Organisation Environmental Engineering & Sustainable Dev, Iasi
T2  - European Journal of Science and Theology
T1  - Climate changes science and the holy bible texts
VL  - 14
IS  - 6
SP  - 55
EP  - 62
UR  - https://hdl.handle.net/21.15107/rcub_gery_887
ER  - 

@article{
author = "Valjarević, Aleksandar and Valjarević, Dragana and Stanojević-Ristić, Zorica",
year = "2018",
abstract = "In this paper, we investigated the connection between the Holy Bible texts and climate changes. Also, for the texts from Bible (Old Testament) about time, space, energy, climate and climate changes, a scientific interpretation is obtained. By the today's prognosis scientists share the opinion that the climate changes may destroy the civilization on Earth. In the texts of Bible, we try to find a connection between the Holy text and climate changes. For example, big flood in the Noah time can indicate one strong climate change's influence. Interpretation of Bible will always have an enormous importance for past, present and future science.",
publisher = "Acad Organisation Environmental Engineering & Sustainable Dev, Iasi",
journal = "European Journal of Science and Theology",
title = "Climate changes science and the holy bible texts",
volume = "14",
number = "6",
pages = "55-62",
url = "https://hdl.handle.net/21.15107/rcub_gery_887"
}

Valjarević, A., Valjarević, D.,& Stanojević-Ristić, Z.. (2018). Climate changes science and the holy bible texts. in European Journal of Science and Theology
Acad Organisation Environmental Engineering & Sustainable Dev, Iasi., 14(6), 55-62.
https://hdl.handle.net/21.15107/rcub_gery_887

Valjarević A, Valjarević D, Stanojević-Ristić Z. Climate changes science and the holy bible texts. in European Journal of Science and Theology. 2018;14(6):55-62.
https://hdl.handle.net/21.15107/rcub_gery_887 .

Valjarević, Aleksandar, Valjarević, Dragana, Stanojević-Ristić, Zorica, "Climate changes science and the holy bible texts" in European Journal of Science and Theology, 14, no. 6 (2018):55-62,
https://hdl.handle.net/21.15107/rcub_gery_887 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Srećković-Batočanin, Danica
AU  - Valjarević, Dragana
AU  - Matović, Vesna
PY  - 2018
UR  - https://gery.gef.bg.ac.rs/handle/123456789/902
AB  - There are about 240 geothermal occurrences with 60 commercial spas included in, which are spread throughout the territory of Serbia. The majority of springs and other surface manifestations are located along the southeastern edge of the country. Three spas Lukovska, Prolom and Kursumlijska are with the highest geothermal potential and balneology utilization. They are situated in the vicinity of Kursumlija, one of the largest municipalities in Serbia, but with poor economic development. Although the presence of these three spas and more than 23 thermal mineral springs with the temperature of water between 26.4 degrees and 68 degrees C reveal it among the great geothermal resources in Serbia, the extent and potential of these resources are poorly understood. The estimated capacity of geothermal energy in three spas and 20 springs is 620.36 (TJ/year) or 19.6 MWt. In spite of a vast quantity of this clean, renewable energy resource only a small percentage of it is used in balneology and extremely rarely for greenhouse heating. In Serbia the kind of energy mostly used belongs to dirty energy resources, such as timber, coal, oil, gas, natural gas, etc. The use of geothermal renewable energy for the heating of public institutions is highly recommendable and agrees with today's growing awareness of the environment protection and improvement of the quality of life. The additional use of it for heating in householders would reduce the import of natural gas and oil and would support the municipality and its inhabitants to escape from poverty.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Renewable & Sustainable Energy Reviews
T1  - A GIS-based method for analysis of a better utilization of thermal-mineral springs in the municipality of Kursumlija (Serbia)
VL  - 92
SP  - 948
EP  - 957
DO  - 10.1016/j.rser.2018.05.005
UR  - https://hdl.handle.net/21.15107/rcub_gery_902
ER  - 

@article{
author = "Valjarević, Aleksandar and Srećković-Batočanin, Danica and Valjarević, Dragana and Matović, Vesna",
year = "2018",
abstract = "There are about 240 geothermal occurrences with 60 commercial spas included in, which are spread throughout the territory of Serbia. The majority of springs and other surface manifestations are located along the southeastern edge of the country. Three spas Lukovska, Prolom and Kursumlijska are with the highest geothermal potential and balneology utilization. They are situated in the vicinity of Kursumlija, one of the largest municipalities in Serbia, but with poor economic development. Although the presence of these three spas and more than 23 thermal mineral springs with the temperature of water between 26.4 degrees and 68 degrees C reveal it among the great geothermal resources in Serbia, the extent and potential of these resources are poorly understood. The estimated capacity of geothermal energy in three spas and 20 springs is 620.36 (TJ/year) or 19.6 MWt. In spite of a vast quantity of this clean, renewable energy resource only a small percentage of it is used in balneology and extremely rarely for greenhouse heating. In Serbia the kind of energy mostly used belongs to dirty energy resources, such as timber, coal, oil, gas, natural gas, etc. The use of geothermal renewable energy for the heating of public institutions is highly recommendable and agrees with today's growing awareness of the environment protection and improvement of the quality of life. The additional use of it for heating in householders would reduce the import of natural gas and oil and would support the municipality and its inhabitants to escape from poverty.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Renewable & Sustainable Energy Reviews",
title = "A GIS-based method for analysis of a better utilization of thermal-mineral springs in the municipality of Kursumlija (Serbia)",
volume = "92",
pages = "948-957",
doi = "10.1016/j.rser.2018.05.005",
url = "https://hdl.handle.net/21.15107/rcub_gery_902"
}

Valjarević, A., Srećković-Batočanin, D., Valjarević, D.,& Matović, V.. (2018). A GIS-based method for analysis of a better utilization of thermal-mineral springs in the municipality of Kursumlija (Serbia). in Renewable & Sustainable Energy Reviews
Pergamon-Elsevier Science Ltd, Oxford., 92, 948-957.
https://doi.org/10.1016/j.rser.2018.05.005
https://hdl.handle.net/21.15107/rcub_gery_902

Valjarević A, Srećković-Batočanin D, Valjarević D, Matović V. A GIS-based method for analysis of a better utilization of thermal-mineral springs in the municipality of Kursumlija (Serbia). in Renewable & Sustainable Energy Reviews. 2018;92:948-957.
doi:10.1016/j.rser.2018.05.005
https://hdl.handle.net/21.15107/rcub_gery_902 .

Valjarević, Aleksandar, Srećković-Batočanin, Danica, Valjarević, Dragana, Matović, Vesna, "A GIS-based method for analysis of a better utilization of thermal-mineral springs in the municipality of Kursumlija (Serbia)" in Renewable & Sustainable Energy Reviews, 92 (2018):948-957,
https://doi.org/10.1016/j.rser.2018.05.005 .,
https://hdl.handle.net/21.15107/rcub_gery_902 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Valjarević, Dragana
AU  - Stanojević-Ristić, Zorica
AU  - Đekić, Tatjana
AU  - Živić, Nebojša
PY  - 2018
UR  - https://gery.gef.bg.ac.rs/handle/123456789/886
AB  - We studied the geospatial distribution of health facilities in Belgrade, the capital of the Republic of Serbia, in relation to the public transport system. Analyses in this research were based on advanced geographical information systems using numerical methods. We calculated accessibility to health centres as based on public transport properties accounting for the movement of citizens, as well as patients, through the city. Based on results, the city of Belgrade has a moderate connectivity. Public health centres and a group of other health centres in the central-east part of the city have a better connectivity. Also, in this paper we estimated that the average time necessary to reach health facilities on foot is 100 minutes and by public transport vehicles such as buses, trams and trolleys is 42 minutes.
PB  - Univ Naples Federico II, Naples
T2  - Geospatial Health
T1  - A geographical information systems-based approach to health facilities and urban traffic system in Belgrade, Serbia
VL  - 13
IS  - 2
SP  - 308
EP  - 313
DO  - 10.4081/gh.2018.729
UR  - https://hdl.handle.net/21.15107/rcub_gery_886
ER  - 

@article{
author = "Valjarević, Aleksandar and Valjarević, Dragana and Stanojević-Ristić, Zorica and Đekić, Tatjana and Živić, Nebojša",
year = "2018",
abstract = "We studied the geospatial distribution of health facilities in Belgrade, the capital of the Republic of Serbia, in relation to the public transport system. Analyses in this research were based on advanced geographical information systems using numerical methods. We calculated accessibility to health centres as based on public transport properties accounting for the movement of citizens, as well as patients, through the city. Based on results, the city of Belgrade has a moderate connectivity. Public health centres and a group of other health centres in the central-east part of the city have a better connectivity. Also, in this paper we estimated that the average time necessary to reach health facilities on foot is 100 minutes and by public transport vehicles such as buses, trams and trolleys is 42 minutes.",
publisher = "Univ Naples Federico II, Naples",
journal = "Geospatial Health",
title = "A geographical information systems-based approach to health facilities and urban traffic system in Belgrade, Serbia",
volume = "13",
number = "2",
pages = "308-313",
doi = "10.4081/gh.2018.729",
url = "https://hdl.handle.net/21.15107/rcub_gery_886"
}

Valjarević, A., Valjarević, D., Stanojević-Ristić, Z., Đekić, T.,& Živić, N.. (2018). A geographical information systems-based approach to health facilities and urban traffic system in Belgrade, Serbia. in Geospatial Health
Univ Naples Federico II, Naples., 13(2), 308-313.
https://doi.org/10.4081/gh.2018.729
https://hdl.handle.net/21.15107/rcub_gery_886

Valjarević A, Valjarević D, Stanojević-Ristić Z, Đekić T, Živić N. A geographical information systems-based approach to health facilities and urban traffic system in Belgrade, Serbia. in Geospatial Health. 2018;13(2):308-313.
doi:10.4081/gh.2018.729
https://hdl.handle.net/21.15107/rcub_gery_886 .

Valjarević, Aleksandar, Valjarević, Dragana, Stanojević-Ristić, Zorica, Đekić, Tatjana, Živić, Nebojša, "A geographical information systems-based approach to health facilities and urban traffic system in Belgrade, Serbia" in Geospatial Health, 13, no. 2 (2018):308-313,
https://doi.org/10.4081/gh.2018.729 .,
https://hdl.handle.net/21.15107/rcub_gery_886 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Vukoičić, Danijela
AU  - Valjarević, Dragana
PY  - 2017
UR  - https://gery.gef.bg.ac.rs/handle/123456789/829
AB  - There are, in Serbia, 240 geo-thermal areas, of which 60 host commercial spas. Most are found in the southern edge of the Pannonian Basin in the west and south-east of the country. Of these, the highest and one of the more potentially important spas is the Lukovska Spa, the subject of this paper. The study uses spatial modelling based on indices of attractiveness of geographical and touristic attributes to determine the attractiveness of Lukovska as a spa destination, and to indicate ways in which it might be managed.
PB  - Elsevier, Amsterdam
T2  - Tourism Management Perspectives
T1  - Evaluation of the tourist potential and natural attractivity of the Lukovska Spa
VL  - 22
SP  - 7
EP  - 16
DO  - 10.1016/j.tmp.2016.12.004
UR  - https://hdl.handle.net/21.15107/rcub_gery_829
ER  - 

@article{
author = "Valjarević, Aleksandar and Vukoičić, Danijela and Valjarević, Dragana",
year = "2017",
abstract = "There are, in Serbia, 240 geo-thermal areas, of which 60 host commercial spas. Most are found in the southern edge of the Pannonian Basin in the west and south-east of the country. Of these, the highest and one of the more potentially important spas is the Lukovska Spa, the subject of this paper. The study uses spatial modelling based on indices of attractiveness of geographical and touristic attributes to determine the attractiveness of Lukovska as a spa destination, and to indicate ways in which it might be managed.",
publisher = "Elsevier, Amsterdam",
journal = "Tourism Management Perspectives",
title = "Evaluation of the tourist potential and natural attractivity of the Lukovska Spa",
volume = "22",
pages = "7-16",
doi = "10.1016/j.tmp.2016.12.004",
url = "https://hdl.handle.net/21.15107/rcub_gery_829"
}

Valjarević, A., Vukoičić, D.,& Valjarević, D.. (2017). Evaluation of the tourist potential and natural attractivity of the Lukovska Spa. in Tourism Management Perspectives
Elsevier, Amsterdam., 22, 7-16.
https://doi.org/10.1016/j.tmp.2016.12.004
https://hdl.handle.net/21.15107/rcub_gery_829

Valjarević A, Vukoičić D, Valjarević D. Evaluation of the tourist potential and natural attractivity of the Lukovska Spa. in Tourism Management Perspectives. 2017;22:7-16.
doi:10.1016/j.tmp.2016.12.004
https://hdl.handle.net/21.15107/rcub_gery_829 .

Valjarević, Aleksandar, Vukoičić, Danijela, Valjarević, Dragana, "Evaluation of the tourist potential and natural attractivity of the Lukovska Spa" in Tourism Management Perspectives, 22 (2017):7-16,
https://doi.org/10.1016/j.tmp.2016.12.004 .,
https://hdl.handle.net/21.15107/rcub_gery_829 .

TY  - JOUR
AU  - Stanojević-Ristić, Zorica
AU  - Stević, S.
AU  - Rasić, J.
AU  - Valjarević, Dragana
AU  - Dejanović, M.
AU  - Valjarević, Aleksandar
PY  - 2017
UR  - https://gery.gef.bg.ac.rs/handle/123456789/826
AB  - Background: The ready availability and use of dietary supplements (DS) by the public means that healthcare professionals require education in this area. In the Republic of Serbia, education related to use of DS is included in undergraduate medical training and it is therefore important to assess the effectiveness of this education. The aim of our survey was to investigate the influence of pharmacological education on the use, attitudes and perceptions of risks associated with DS among medical students. Methods: Medical students at the University of Kosovska Mitrovica participated in the survey. Three hundred eighty questionnaires were distributed, yielding a response rate of 89% (n = 334). Data were categorized by year of study, completion of a one-year course in pharmacology and having passed the final exam. The results were compared between 192 (58%) medical students educated in pharmacology (MSEP) and 142 (42%) medical students not educated in pharmacology (MSNEP). The questionnaire was divided into 4 parts: socio-demographic and lifestyle/behavioral characteristics, use of DS, attitudes about efficacy, safety and perception of risk due to DS use. Chi-square test, Student's t-test, and Mann-Whitney U test were used for statistical analysis. Results: About 53% of respondents used some form of DS. Attitudes regarding the safety of DS consumption showed a difference between the groups. MSEP were more likely to agree that DS have the potential to cause adverse reactions (Likert scale mean 4.1 vs. 3.5, p  lt  0.001) as well as interactions with conventional drugs (Likert scale mean 4.2 vs. 3.2, p  lt  0.001) than MSNEP. Finally, MSEP ranked St. John's wort and ginkgo as the most dangerous DS, but creatine and vitamin C were both ranked as relatively safe. Conversely, MSNEP considered ginkgo and vitamin C the most harmful DS, claiming that omega-3 fatty acids and vitamin D had the least hazardous side effects. Conclusion: Our results showed that pharmacological education gives young medical students a better understanding of the risks of DS-drug interactions and potential adverse effects. However, their overall attitudes and perception of risk indicate the need for further education.
PB  - Biomed Central Ltd, London
T2  - BMC Complementary and Alternative Medicine
T1  - Influence of pharmacological education on perceptions, attitudes and use of dietary supplements by medical students
VL  - 17
DO  - 10.1186/s12906-017-2031-6
UR  - https://hdl.handle.net/21.15107/rcub_gery_826
ER  - 

@article{
author = "Stanojević-Ristić, Zorica and Stević, S. and Rasić, J. and Valjarević, Dragana and Dejanović, M. and Valjarević, Aleksandar",
year = "2017",
abstract = "Background: The ready availability and use of dietary supplements (DS) by the public means that healthcare professionals require education in this area. In the Republic of Serbia, education related to use of DS is included in undergraduate medical training and it is therefore important to assess the effectiveness of this education. The aim of our survey was to investigate the influence of pharmacological education on the use, attitudes and perceptions of risks associated with DS among medical students. Methods: Medical students at the University of Kosovska Mitrovica participated in the survey. Three hundred eighty questionnaires were distributed, yielding a response rate of 89% (n = 334). Data were categorized by year of study, completion of a one-year course in pharmacology and having passed the final exam. The results were compared between 192 (58%) medical students educated in pharmacology (MSEP) and 142 (42%) medical students not educated in pharmacology (MSNEP). The questionnaire was divided into 4 parts: socio-demographic and lifestyle/behavioral characteristics, use of DS, attitudes about efficacy, safety and perception of risk due to DS use. Chi-square test, Student's t-test, and Mann-Whitney U test were used for statistical analysis. Results: About 53% of respondents used some form of DS. Attitudes regarding the safety of DS consumption showed a difference between the groups. MSEP were more likely to agree that DS have the potential to cause adverse reactions (Likert scale mean 4.1 vs. 3.5, p  lt  0.001) as well as interactions with conventional drugs (Likert scale mean 4.2 vs. 3.2, p  lt  0.001) than MSNEP. Finally, MSEP ranked St. John's wort and ginkgo as the most dangerous DS, but creatine and vitamin C were both ranked as relatively safe. Conversely, MSNEP considered ginkgo and vitamin C the most harmful DS, claiming that omega-3 fatty acids and vitamin D had the least hazardous side effects. Conclusion: Our results showed that pharmacological education gives young medical students a better understanding of the risks of DS-drug interactions and potential adverse effects. However, their overall attitudes and perception of risk indicate the need for further education.",
publisher = "Biomed Central Ltd, London",
journal = "BMC Complementary and Alternative Medicine",
title = "Influence of pharmacological education on perceptions, attitudes and use of dietary supplements by medical students",
volume = "17",
doi = "10.1186/s12906-017-2031-6",
url = "https://hdl.handle.net/21.15107/rcub_gery_826"
}

Stanojević-Ristić, Z., Stević, S., Rasić, J., Valjarević, D., Dejanović, M.,& Valjarević, A.. (2017). Influence of pharmacological education on perceptions, attitudes and use of dietary supplements by medical students. in BMC Complementary and Alternative Medicine
Biomed Central Ltd, London., 17.
https://doi.org/10.1186/s12906-017-2031-6
https://hdl.handle.net/21.15107/rcub_gery_826

Stanojević-Ristić Z, Stević S, Rasić J, Valjarević D, Dejanović M, Valjarević A. Influence of pharmacological education on perceptions, attitudes and use of dietary supplements by medical students. in BMC Complementary and Alternative Medicine. 2017;17.
doi:10.1186/s12906-017-2031-6
https://hdl.handle.net/21.15107/rcub_gery_826 .

Stanojević-Ristić, Zorica, Stević, S., Rasić, J., Valjarević, Dragana, Dejanović, M., Valjarević, Aleksandar, "Influence of pharmacological education on perceptions, attitudes and use of dietary supplements by medical students" in BMC Complementary and Alternative Medicine, 17 (2017),
https://doi.org/10.1186/s12906-017-2031-6 .,
https://hdl.handle.net/21.15107/rcub_gery_826 .

TY  - JOUR
AU  - Valjarević, Aleksandar
AU  - Živković, Dragica
AU  - Valjarević, Dragana
AU  - Stevanović, Vladica
AU  - Golijanin, Jelena
PY  - 2014
UR  - https://gery.gef.bg.ac.rs/handle/123456789/642
AB  - The monitoring of the territory of Prokuplje Municipality was done based on 1 : 25,000 topographic maps in three different time periods (1969, 1974, and 1984) and land cover map in 2012. Analogous topographic maps done in 1969, 1974, and 1984 were used, while in 2012 the land cover map obtained by using CORINE-like approach was used. Topographic maps are developed by aerial campaign, and today they are replaced by satellite images. Topographic maps were scanned, and raster form was transformed to vector data with Geo Media Professional 6.1 and Global Mapper software. The monitoring in the period of 1969-2012, on the area of 758300000 m(2), was performed, where some parameters were analyzed. In particular, the changes of natural resources, primarily forest lands, were observed as well as the type of land susceptible to primary erosion, including the level of urbanization and level of agricultural land. The obtained results clearly showed changes in forestation within the 43-year-long period, as well as changes in primary erosion and urbanization, while at the level of agricultural land, slight changes were found. The paper also involved transition of social factors from 1969 to 2012, expressed as a change between the earth and forest layer.
PB  - Hindawi Publishing Corporation, New York
T2  - Scientific World Journal
T1  - GIS Analysis of Land Cover Changes on the Territory of the Prokuplje Municipality
DO  - 10.1155/2014/805072
UR  - https://hdl.handle.net/21.15107/rcub_gery_642
ER  - 

@article{
author = "Valjarević, Aleksandar and Živković, Dragica and Valjarević, Dragana and Stevanović, Vladica and Golijanin, Jelena",
year = "2014",
abstract = "The monitoring of the territory of Prokuplje Municipality was done based on 1 : 25,000 topographic maps in three different time periods (1969, 1974, and 1984) and land cover map in 2012. Analogous topographic maps done in 1969, 1974, and 1984 were used, while in 2012 the land cover map obtained by using CORINE-like approach was used. Topographic maps are developed by aerial campaign, and today they are replaced by satellite images. Topographic maps were scanned, and raster form was transformed to vector data with Geo Media Professional 6.1 and Global Mapper software. The monitoring in the period of 1969-2012, on the area of 758300000 m(2), was performed, where some parameters were analyzed. In particular, the changes of natural resources, primarily forest lands, were observed as well as the type of land susceptible to primary erosion, including the level of urbanization and level of agricultural land. The obtained results clearly showed changes in forestation within the 43-year-long period, as well as changes in primary erosion and urbanization, while at the level of agricultural land, slight changes were found. The paper also involved transition of social factors from 1969 to 2012, expressed as a change between the earth and forest layer.",
publisher = "Hindawi Publishing Corporation, New York",
journal = "Scientific World Journal",
title = "GIS Analysis of Land Cover Changes on the Territory of the Prokuplje Municipality",
doi = "10.1155/2014/805072",
url = "https://hdl.handle.net/21.15107/rcub_gery_642"
}

Valjarević, A., Živković, D., Valjarević, D., Stevanović, V.,& Golijanin, J.. (2014). GIS Analysis of Land Cover Changes on the Territory of the Prokuplje Municipality. in Scientific World Journal
Hindawi Publishing Corporation, New York..
https://doi.org/10.1155/2014/805072
https://hdl.handle.net/21.15107/rcub_gery_642

Valjarević A, Živković D, Valjarević D, Stevanović V, Golijanin J. GIS Analysis of Land Cover Changes on the Territory of the Prokuplje Municipality. in Scientific World Journal. 2014;.
doi:10.1155/2014/805072
https://hdl.handle.net/21.15107/rcub_gery_642 .

Valjarević, Aleksandar, Živković, Dragica, Valjarević, Dragana, Stevanović, Vladica, Golijanin, Jelena, "GIS Analysis of Land Cover Changes on the Territory of the Prokuplje Municipality" in Scientific World Journal (2014),
https://doi.org/10.1155/2014/805072 .,
https://hdl.handle.net/21.15107/rcub_gery_642 .