Technological study on the Gravity Processing of Manganese Ore. Bulletin of the Institute of Chemistry and Chemical Technology, [S. l.], n. 7, p. 18–22, 2019. DOI: 10.5564/bicct.v0i7.1268. Disponível em: https://mongoliajol.info/index.php/BICCT/article/view/1268. Acesso em: 25 jun. 2026.