Nurakhmetova, Zhanar, Iskander Gussenov, Vladimir Sigitov, and Sarkyt Kudaibergenov. 2016. “Development of Drilling Fluids Based on Polysaccharides and Natural Minerals”. Chemical Bulletin of Kazakh National University, no. 1 (March), 4-11. https://doi.org/https://doi.org/10.15328/cb648.