Kenzhaliyev, B.K., S.A. Trebukhov, V.N. Volodin, Trebukhov А.А., and F.H. Tuleutay. “Selenium Extraction Out of Metallurgical Production Middlings”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex use of mineral resources 307, no. 4 (October 20, 2018): 56–64. Accessed May 3, 2024. http://kims-imio.com/index.php/main/article/view/182.