Ospanova, A.K., Zh.B. Bekissanova, B. Baltabayeva, and D.T. Rakhmatullayeva. “Preparation of Highly Porous Kaolin by Thermal and Acidic Activation”. Combustion and Plasma Chemistry 19, no. 3 (October 12, 2021): 199–207. Accessed May 20, 2024. https://cpc-journal.kz/index.php/cpcj/article/view/97.