Turysbekova R., Kereeva A., Tolegenova A. и Kasseinova M. (2021) «OPTIMIZATION OF PRODUCTION COSTS OF AGRICULTURAL COOPERATIVES AS A FACTOR IN THE FORMATION OF A STABLE FOOD SUPPLY SYSTEM», «Вестник НАН РК», 1(4), сс. 97–102. doi: 10.32014/2021.2518-1467.140.