Monov , D., & Kolarova - Dimitrova , M. (2021). E COLI ENTERITIS IN VARNA DISTRICT FOR THE PERIOD 2013-2019 . EurasianUnionScientists, 2(1(82), 28-33. извлечено от https://archive.euroasia-science.ru/index.php/Euroasia/article/view/485