Pochukalin, A. Ye., and S. V. Pryima. “BREEDING LIVESTOCK OF UKRAINE (DAIRY CATTLE)”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 3 (October 31, 2023): 50-54. Accessed July 22, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/930.