Halenov, O.S., V.A. Kolesnikov, S.S. Kasymov, J.Z. Bajsagov, and V.M. Jurov. “Composit Firm Electrolits on the Basis of Kalium Sulphate and Their Application”. Recent Contributions to Physics 42, no. 3 (September 22, 2012): 76–80. Accessed April 8, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/713.