Wang, Zehua, Shili Zheng, Shuhua Ma, Jian Ding, and Xiaohui Wang. “RECOVERY OF SODIUM FROM ALUMINA-EXTRACTED FLY ASH USING CONCENTRATED SODIUM CARBONATE SOLUTION”. Journal of Mining and Metallurgy, Section B: Metallurgy 54, no. 2 (September 1, 2018): 225. Accessed May 15, 2024. https://aseestant.ceon.rs/index.php/jmm/article/view/16791.