Khmelnychyi, L. M., and S. L. Khmelnychyi. “POPULATION AND GENETIC PARAMETERS OF LINEAR CONFORMATION TRAITS COWS FIRSTBORN UKRAINIAN BLACK-AND-WHITE DAIRY BREED”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 3 (46), Oct. 2021, pp. 7-12, doi:10.32845/bsnau.lvst.2021.3.2.