Tomashevsky , E., и R. Varpikhovskyi. «COW HOUSING UNDER SANITARY AND HYGIENIC CONDITIONS OF MILK PRODUCTION ». EurasianUnionScientists, т. 2, вып. 1(82), февраль 2021 г., сс. 41-45, doi:10.31618/ESU.2413-9335.2021.2.82.1214.