Sapinov, R., N. Kulenova, M. Sadenova, P. Varbanov, and J. Klemeš. “State and Prospects of Processing Tin-Containing Raw Materials in Kazakhstan”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources, vol. 317, no. 2, May 2021, pp. 37-45, doi:10.31643/2021/6445.16.