@ARTICLE{
author={Ketin Sonja B,Tomic Srdjan,Bulajic Stanko,Jevtic Sanja D,Andrejic Marko,Vasiljevic Rade,Cabarkapa Obrad T},
year={2026},
title={The bioaccumulation of heavy metal (mercury) in the food chain},
journal={BULGARIAN JOURNAL OF AGRICULTURAL SCIENCE},
volume={32},
number={2},
pages={292-298},
document_type={Article},
} 

@ARTICLE{
author={Ketin Sonja B,Tomic Srdjan,Bulajic Stanko,Kostic Boban,Andrejic Marko},
year={2026},
title={Climate Change and Production of Agricultural Crops},
journal={ROMANIAN AGRICULTURAL RESEARCH},
volume={43},
number={},
pages={71-79},
document_type={Article},
} 

@ARTICLE{
author={Bulajic Stanko,Ketin Sonja B,Tomic Srdjan,Jevtic Sanja D,Andrejic Marko},
year={2022},
title={Environment and Transportation of Goods and Passengers},
journal={FRESENIUS ENVIRONMENTAL BULLETIN},
volume={31},
number={3},
pages={2997-3005},
document_type={Article},
} 

@ARTICLE{
author={Kranjac Mirjana V,Tomic Srdjan,Salom Jakob,Ilic-Kosanovic Tatjana,Ilic Damir,Bulajic Stanko},
year={2021},
title={New Methodology of Teaching a Smart City Concept: A Case Study},
journal={INTERNATIONAL JOURNAL OF ENGINEERING EDUCATION},
volume={37},
number={1},
pages={204-214},
document_type={Article},
} 

@ARTICLE{
author={Bulajic Stanko,Antanaskovic Dejan,Ketin Sonja B,Tomic Srdjan,Lukic Vladimir},
year={2020},
title={Economic Instruments in the Environmental Protection - Serbian Case},
journal={FRESENIUS ENVIRONMENTAL BULLETIN},
volume={29},
number={10},
pages={9522-9527},
document_type={Article},
} 

@ARTICLE{
author={Srbinoski Stojan,Tomic Srdjan,Bulajic Stanko,Lutovac Mitar,Lutovac Bojana,Ketin Sonja B},
year={2019},
title={Results and Experience from the New Test Working of the Station for the Purification the Fecal Waste Water in Volkovo},
journal={FRESENIUS ENVIRONMENTAL BULLETIN},
volume={28},
number={12A},
pages={9724-9730},
document_type={Article},
} 

@ARTICLE{
author={Tomic Srdjan,Bulajic Stanko,Radojevic Rade L,Petrovic Dragan VL,Ketin Sonja B},
year={2019},
title={The Distribution of Concentration of Suspended Particles-Coal Mine},
journal={FRESENIUS ENVIRONMENTAL BULLETIN},
volume={28},
number={8},
pages={5764-5770},
document_type={Article},
}