Bayarbayasgalan Bayarsaikhan, Altangerel Amarsanaa, Purevjargal Daramjav, Hongbo Zhao and Sarangerel Davaasambuu 2025. Comparative Study of Bioleaching Efficiency of Rare Earth Element from Different Carbonatite Ores in Mongolia . Metallurgical and Materials Engineering. 31, 3 (Mar. 2025), 300–309. DOI:https://doi.org/10.63278/1371.