Kusrini, E., Trisko, N., Harjanto, S., Rahman, A., & Usman, A. (2020). Optimizing Extraction and Enrichment of Lanthanide from Indonesian Low Grade Bauxite Using Sequential Magnetic Separation, Acid Leaching, and Precipitation Processes. Engineering Journal, 24(4), 327-337. https://doi.org/10.4186/ej.2020.24.4.327