Wang, Y., J. Wu, G. Hu, and W. Ma. “Recovery of Li, Mn, and Fe from LiFePO4/LiMn2O4 Mixed Waste Lithium-Ion Battery Cathode Materials”. Journal of Mining and Metallurgy, Section B: Metallurgy, Vol. 59, no. 1, June 2023, pp. 17-26, https://aseestant.ceon.rs/index.php/jmm/article/view/40204.