Purevsuren, Barnasan, Jargalsaikhan Namkhainorov, Sanjaa Batbileg, and Soninkhuu Jargalmaa. “Investigation on Characterization of Different Types of Coals and Preparation of Coal-Derived Activated Carbon”. Proceedings of the Mongolian Academy of Sciences 64, no. 04 (December 30, 2024): 13–27. Accessed October 27, 2025. https://test.mongoliajol.info/PMAS/article/view/3979.