Suprun , Iryna, and Oleksandra Dovha. “Development of Beef Cattle Breeding Status in Ukraine”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 1(44) (March 29, 2021): 92-97. Accessed April 19, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/301.