Ibadullaeva Amina Saginbaevna, Yusupov Otajon Yoldosh ogli, Bazarbaev Ruslan Djubatkhanovich, Turdimuratova Gulida Nukusbay kizi, and Taumuratova Miyasar Kuralbay kizi. “PRODUCTIVITY CHARACTERISTICS OF HOLSTEIN COWS IN BREEDING GROUPS”. Web of Scientist: International Scientific Research Journal, vol. 2, no. 12, Dec. 2021, pp. 76-79, doi:10.17605/OSF.IO/X3GAU.