Jamiyansuren B, Myagmarsuren B, Khongorzul N, Baatar B. Acid leaching of rare earth elements from coal ash obtained from a Mongolian surface mine. Mong. J. Chem. [Internet]. 2025 Aug. 28 [cited 2026 Jan. 26];26(54):1-6. Available from: https://www.mongoliajol.info/index.php/MJC/article/view/3932