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, vol. 1, no. 1, June 2021, pp. 36-39, doi:10.53797/aseana.v1i1.5.2021.