K.M. Utepkaliyeva, B.M. Dyusgaliyeva, A.D. Mukasheva, & A.M. Kalauov. (2019). AGRARIAN SECTOR OF ECONOMY OF KAZAKHSTAN. «Доклады НАН РК», (1), 161–164. извлечено от http://91834.libg.asia/reports-science/article/view/1407