Shi-syan, V., Jumaeva, D., Eshmetov, I., & Agzamhodjaev, A. (2012). Cleanup of waste water from inorganic impurities and petroleum by coal-based adsorbents. Chemical Bulletin of Kazakh National University, 67(3), 163-166. https://doi.org/https://doi.org/10.15328/chemb_2012_3163-166