Dzekunov, V., A. Meyrmanova, D. Kudabekov, D. Zhunuspayev, and NauryzbaеvM. 2011. “Industrial Wastes As a Promising Raw Material for Chemical Industry”. Chemical Bulletin of Kazakh National University 64 (4), 61-66. https://doi.org/https://doi.org/10.15328/chemb_2011_461-66.