Pochukalin, A. Ye., S. V. Pryima, and O. V. Rizun. “UKRAINIAN RED-AND-WHITE DAIRY BREED OF CATTLE – 30 YEARS: PAST, PRESENT AND FUTURE DEVELOPMENT OF BREEDING ACHIEVEMENT”. Bulletin of Sumy National Agrarian University. The series: Livestock, no. 1 (April 20, 2023): 44-50. Accessed November 22, 2024. https://snaubulletin.com.ua/index.php/ls/article/view/821.