Kairbekov, Zh., N. Smagulova, and T. Dosmal. “Reception Motor Fuel from Coke Chemical Pitch”. Chemical Bulletin of Kazakh National University 64, no. 4 (December 1, 2011): 123-126. Accessed April 28, 2024. https://bulletin.chemistry.kz/index.php/kaznu/article/view/514.