Pestunova, G. ., E. . Madiyarova, and A. . Zeynullina. “Strategic Guidelines for the Development of the Market of Suppliers of X-Ray Diagnostic Equipment of East Kazakhstan”. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU, no. 2, Jan. 2023, pp. 86-98, https://bulecon.enu.kz/index.php/main/article/view/393.