Ultarakova, A., Karshyga, Z., Lokhova, N., Yessengaziyev, A. and Burns, P. 2022. Studies for hydrometallurgical processing of titanium-magnesium production sludge with niobium extraction in solution. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex use of mineral resources. 325, 2 (Oct. 2022), 53–61. DOI:https://doi.org/10.31643/2023/6445.18.