Zhunussova, E., N. Muhamedzhanova, A. Nauryzbayeva, M. Dyussengaliyeva, and G. Mukhambetova. 2012. “Complex Utilization of Petroleum Gas for Petrochemical Production”. Chemical Bulletin of Kazakh National University 65 (1), 61-66. https://doi.org/https://doi.org/10.15328/chemb_2012_161-66.