Sapinov, R., N. Kulenova, M. Sadenova, P. Varbanov, and J. Klemeš. 2021. “State and Prospects of Processing Tin-Containing Raw Materials in Kazakhstan”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources 317 (2):37-45. https://doi.org/10.31643/2021/6445.16.