T. Chepushtanova, M. Yessirkegenov, K. Mamyrbayeva, Y. Merkibayev, and A. Nikolosky, “English Testing of the optimum extragent for solvent-extraction of Almaly deposit copper”, Kompl. Ispolz. Min. Syra = Compl. Use of Min. Resour., vol. 324, no. 1, pp. 43–49, Jul. 2022.