Kenzhaliyev, B. K., T Yu Surkova, A. N. Berkinbayeva, Z. D. Dosymbayeva, and B. E. Abdikerim. “Research of Organomineral Sorbents Based on Shungite of Kazakhstan”. ASEANA Science and Education Journal 1, no. 1 (June 30, 2021): 36-39. Accessed March 12, 2025. https://journalarsvot.com/index.php/aseana/article/view/28.