Chirgin Evgeny Dmitrievich, Semenov Vladimir Grigoryevich, Baimukanov Dastanbek Asylbekovich, Iskhan Kairat Zhalelovich, Rzabayev Tolybek Serikbayevich, и Zhikishev Yerlik Kaliaskarovich. «THE RELATION OF PRODUCTIVE LONGEVITY OF LITHUANIAN HEAVY DRAFT MARES WITH THE UDDER CAPACITY». «Вестник НАН РК», вып. 5, октябрь 2019 г., сс. 23-28., http://189185.vm7pq.group/bulletin-science/article/view/1167.