Beneficiation Studies of Bajaur Manganese Ore by Different Processing Techniques: Benefication of Manganese Ore. Biological Sciences - PJSIR, [S. l.], v. 53, n. 6, p. 298–302, 2010. Disponível em: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/484. Acesso em: 10 mar. 2026.