Yefremov, S., Nechipurenko, S., Atchabarova, A., Kabulov, A. and Nauryzbayev, M. (2011) “Obtaining carbon-mineral sorbents based on shungite and using them to clean waste and household water”, Chemical Bulletin of Kazakh National University, 64(4), pp. 85-88. doi: https://doi.org/10.15328/chemb_2011_485-88.