@ARTICLE{
author={Bogdanova-Popov Biljana,Karapetkovska-Hristova Vesna,Bogdanov Jane,Elsayed Amr Ahmed Ahmed,Stafilov Trajce,Ahmad M Ayaz,Sakran Mohamed I,Zidan Nahla,Mustafa Syed Khalid},
year={2022},
title={The Use of Natural Bee Products as Bioindicators of Environmental Pollution-The Detection of Heavy Metals},
journal={ORIENTAL JOURNAL OF CHEMISTRY},
volume={38},
number={1},
pages={28-36},
document_type={Article},
} 

@ARTICLE{
author={Bogdanova-Popov Biljana,Karapetkovska-Hristova Vesna,Presilski Stefce,Shariati Mohammad Ali,Najman Stevo J},
year={2017},
title={Assessment of Heavy Metals in Propolis and Soil from the Pelagonia Region, Republic of Macedonia},
journal={MACEDONIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING},
volume={36},
number={1},
pages={23-33},
document_type={Article},
}