Ponomarenko, O.; Brik, A.; Dudchenko, N.; Yushin, O. Method for Transformation of Weak Magnetic Minerals (Hematite, Goethite) into Strong Magnetic Mineral (Magnetite) to Improve the Efficiency of Technologies for Oxidized Iron Ore Beneficiation. Sci. innov. 2024, 11, 31-34.