Мазур, Н. П. “PRODUCTIVE LONGEVITY OF UKRAINIAN BLACK-AND-WHITE DAIRY BREEDS OF DIFFERENT EXTERIOR AND PRODUCTION TYPES”. Podilian Bulletin: Agriculture, Engineering, Economics, no. 28 (May 31, 2018): 65–71. Accessed November 24, 2024. http://pb.pdatu.edu.ua/article/view/150784.