Dzekunov, V., R. Zhaktayeva, and K. Dosumov. “Petrochemistry - Basis for Development of Domestic Processing Industry”. Chemical Bulletin of Kazakh National University 64, no. 4 (December 1, 2011): 57-61. Accessed May 4, 2024. https://bulletin.chemistry.kz/index.php/kaznu/article/view/495.