I. Oskembekov, G. Burkitseterkyzy, Akubaeva М., D. Gizatullina, and Zhunussov Е., “Testing of the modified reagent during the dressing of oxidized copper ore in the enlarged laboratory conditions”, Kompl. Ispolz. Min. Syra = Compl. Use of Min. Resour., vol. 314, no. 3, pp. 56–64, Aug. 2020.