Petrov Oleg Yuriyevich, Baimukanov Dastanbek Asylbekovich, Tyurin Vladimir Grigoryevich, Semenov Vladimir, Kuzmina Nadezhda Nikolaevna, Nesipbayeva Aigul Kadirovna, Zhylkyshybayeva Meruert Malikovna, Yerezhepova Makpal Shamakhanovna и Apeev Kuanysh Bolatbekovich (2019) «PRODUCTIVE ACTION OF DIFFERENT FAT LEVELS IN DIETS OF BULL-CALVES», Scientific Journal of Pedagogy and Economics, (6), сс. 254–263. доступно на: http://89.250.84.46/bulletin-science/article/view/1228 (просмотрено: 18 декабрь 2025).