(1)
V.G. Semenov; A.D. Baimukanov; A.S. Alentayev; R.M. Mudarisov; A.K. Karynbayev. DAIRY PRODUCTIVITY OF HOLSTEIN COWS OF DIFFERENT BREEDINGS UNDER THE CONDITIONS OF COMMERCIAL DAIRY FARMS. «Вестник НАН РК» 2021, 110-115.