Zh.Sh. Kydyrova, К.B. Satymbekova, G.E. Kerimbek, G.Zh. Urazbayeva и А.А. Shadieva (2019) «INCREASE OF COMPETITIVENESS OF THE ENTERPRISE (EXAMPLE OF THE OIL PRODUCT MARKET)», Academic Journal of Physical and Chemical Sciences, (6), сс. 187–193. доступно на: http://89.250.84.46/reports-science/article/view/1816 (просмотрено: 13 декабрь 2025).