“High Efficiency Extractions of V, Cr, Ti, Fe and Mn from Vanadium Slag by Microwave Heating”, J Min & Metal B Metallurgy, vol. 57, no. 2, pp. 271–277, Jul. 2021, Accessed: Jun. 11, 2026. [Online]. Available: https://test.aseestant.ceon.rs/index.php/jmm/article/view/22940