Stavetska, R., and N. Klopenko. “UDDER MORPHOLOGICAL CHARACTERISTICS OF UKRAINIAN BLACK-AND-WHITE DAIRY BREED UNDER ABSORBING CROSSBREEDING”. Animal Breeding and Genetics 510 (March 28, 2018): 153-160. Accessed September 26, 2021. https://abg-journal.com/index.php/journal/article/view/26.