Ashikbayeva А., H. Kudaibergenov, and C. Abdibekov. “Principles of Environmental Protection Management of Kazakhstani Oil Enterprises”. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU, no. 1 (March 30, 2023): 96–108. Accessed April 26, 2024. https://bulecon.enu.kz/index.php/main/article/view/566.