Iosifova, Dorothea Y., Mina–Maria T. Marinova, and Teodora P. Popova. 2023. “RESEARCH OF THE MICROBIAL CONTAMINATION OF A LAKE IN THE CITY OF SOFIA WITH REGARD TO ASSESSMENT OF ITS ENVIRONMENTAL SAFETY”. TRADITION AND MODERNITY IN VETERINARY MEDICINE 8 (2):56-63. https://scij-tmvm.com/index.php/pub/article/view/236.