Muhamediev, B., T. Kudasheva, T. Kakizhanova, and A. Hitahunov. “Research of Interdependence of Trading Partners Countries Macroeconomic Indicators in Conditions of Economic Integration”. Journal of Economic Research &Amp; Business Administration, vol. 112, no. 6, Apr. 2016, https://be.kaznu.kz/index.php/math/article/view/1124.