Surkova, T., B. Abdikerim, A. Berkinbayeva, M.N. Azlan, and Zh.A. Baltabekova. 2021. “Obtaining Modified Sorbents Based on Natural Raw Materials of Kazakhstan and Research of Their Properties”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources 322 (3):23-32. https://doi.org/10.31643/2022/6445.25.