Fotin, A. I., and I. A. Kovalenko. “MONITORING OF BEE DISEASES IN CHERNIHIV REGION”. Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine, no. 1(64) (June 19, 2024): 77-82. Accessed June 30, 2024. http://snaubulletin.com.ua/index.php/vm/article/view/1082.