Egorova Natalia Nikolaevna, Sushchikh Vladislava Yuryevna, Ivanov Nikolai Petrovich, Namet Aidar Myrzakhmetuly, & Aliyev Murat Ashrafovich. (2019). EFFICIENCY OF METHODS OF FIGHTING RESPIRATORY DISEASES OF CALVES IN “BAYSERKE-AGRO” LLP. «Вестник НАН РК», (2), 108–111. извлечено от http://89.250.84.46/bulletin-science/article/view/1720