Wang, Z., Zheng, S., Ma, S., Ding, J., & Wang, X. (2018). RECOVERY OF SODIUM FROM ALUMINA-EXTRACTED FLY ASH USING CONCENTRATED SODIUM CARBONATE SOLUTION. Journal of Mining and Metallurgy, Section B: Metallurgy, 54(2), 225. Retrieved from https://aseestant.ceon.rs/index.php/jmm/article/view/16791