O. O. . Borshch and O. V. . Borshch, “EXTERIOR FEATURES OF FIRST-CALF HEIFERS OF UKRAINIAN BLACK- AND RED-AND-WHITE DAIRY BREEDS AND THEIR CROSSES WITH BROWN SWISS AND MONTBELIARDE BREEDS”, Scient.Prog.&Innov., no. 1, pp. 210–216, Mar. 2021.