L. Yespergenova, A. Dosmanbetova, Y. Baisheva, D. Zhakipbekov, M. Zhumabayeva, and A. Faizulayev, “The Factors that Drives the Cost Management Efficiency of Oil and Gas companies in Emerging Markets: The Case of Eurasian Economic Union”, IJEEP, vol. 13, no. 1, pp. 328–334, Jan. 2023.