Yefremov, S., S. Nechipurenko, A. Atchabarova, A. Kabulov, and M. Nauryzbayev. “Obtaining Carbon-Mineral Sorbents Based on Shungite and Using Them to Clean Waste and Household Water”. Chemical Bulletin of Kazakh National University 64, no. 4 (December 1, 2011): 85-88. Accessed November 23, 2024. https://bulletin.chemistry.kz/index.php/kaznu/article/view/502.