Surkova, T., B. Abdikerim, A. Berkinbayeva, M.N. Azlan, and Zh.A. Baltabekova. “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, no. 3 (March 11, 2021): 23–32. Accessed May 3, 2024. http://kims-imio.com/index.php/main/article/view/3.