Semushkina, L., Tussupbayev, N., Turysbekov, D., Narbekova, S. and Kaldybayeva, Z. 2022. Flotation processing of copper-containing technogenic raw materials using a composite flotation reagent. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex use of mineral resources. 324, 1 (Jul. 2022), 34–42. DOI:https://doi.org/10.31643/2023/6445.05.