Baigenzhenov О., Toishybek А., Khabiyev А., Aimbetova, I., & Dagubayeva А. (2021). Recovery of niobium from wastes generated in titanium production by cation exchange sorbents. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources, 318(3), 97–103. https://doi.org/10.31643/2021/6445.33