A, Domracheva V, and Gandandorj Siirev. “CARBON SORBENTS FROM MONGOLIAN BROWN COALS”. Proceedings of the Mongolian Academy of Sciences 52, no. 4 (August 15, 2017): 20–28. Accessed December 18, 2024. https://mongoliajol.info/index.php/PMAS/article/view/870.