Khmelnychyi , L., I. Suprun, and D. Bardash. “Lifetime Productivity of Cows of the Ukrainian Red-and-White Dairy Breed under Various Options of Selection”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 1(44), Mar. 2021, pp. 29-35, doi:10.32845/bsnau.lvst.2021.1.4.