“Recovery of Li, Mn, and Fe from LiFePO4/LiMn2O4 mixed waste lithium-ion battery cathode materials”, J Min & Metal B Metallurgy, vol. 59, no. 1, pp. 17–26, Jun. 2023, Accessed: Jun. 11, 2026. [Online]. Available: https://test.aseestant.ceon.rs/index.php/jmm/article/view/40204