“Extraction of vanadium from pet-coke gasification cinder: Part 1 leaching kinetics studies in sulphuric acid medium”, J Min & Metal B Metallurgy, vol. 61, no. 3, pp. 333–344, Nov. 2025, Accessed: Jun. 11, 2026. [Online]. Available: https://test.aseestant.ceon.rs/index.php/jmm/article/view/57619