F. Nurjaman, “Smelting of low-grade saprolitic nickel ore in DC-Arc furnace”, J Min & Metal B Metallurgy, vol. 59, no. 3, pp. 497–506, Dec. 2023, Accessed: Jul. 12, 2026. [Online]. Available: https://asistent.ceon.rs/index.php/jmm/article/view/46173