A. Liu, Z. Shi, K. Xie, X. Hu, B. Gao, and Z. Wang, “Extraction of Al–Si master alloy and alumina from coal fly ash”, J Min & Metal B Metallurgy, vol. 53, no. 2, pp. 155–162, Jan. 2017, Accessed: Jul. 12, 2026. [Online]. Available: https://asistent.ceon.rs/index.php/jmm/article/view/11152