Investigation on physical activation of some Mongolian coals. Mongolian Journal of Chemistry, [S. l.], v. 20, n. 46, p. 24–28, 2019. DOI: 10.5564/mjc.v20i46.1238. Disponível em: https://www.mongoliajol.info/index.php/MJC/article/view/1238. Acesso em: 18 jun. 2026.