M. A. . Mutalova, D. A. K. . Abdujabborova, G. N. . Fayzieva, and M. G. K. . Nazirkulova, “Improvement Of The Technology For Extracting Tungsten Industrial Products From The Stale Tailings Of The Ingichkin Factory”, tajet, vol. 3, no. 02, pp. 116–122, Feb. 2021.