A.A. Kurmanalina, A.I. Omarova, и A.M. Sapargali. «ANALYSIS OF ECONOMIC ACTIVITY AS THE BASIS FOR THE ADOPTION OF MANAGEMENT DECISIONS». «Доклады НАН РК», no. 6 (декабрь 12, 2019): 182–186. просмотрено март 13, 2025. http://91834.libg.asia/reports-science/article/view/1815.