Bassarova, A., O. Orken, A. Kudabayeva, O. Abdrazzakov, M. Tulepov, and A. Zhumabayeva. 2012. “Effect of Mechanical Activation of Coal from Kiyaktinskoye Mine on the Yield of Liquid Products”. Chemical Bulletin of Kazakh National University 65 (1), 35-39. https://doi.org/https://doi.org/10.15328/chemb_2012_135-39.