SUFRIADIN. Manganese Ores from South Sulawesi: Their Potential Uses as Raw Materials for Metallurgical Industry. International Journal on Smart Material and Mechatronics, [S. l.], v. 3, n. 1, p. 174–178, 2016. Disponível em: https://ijsmm.id/index.php/ijsmm/article/view/57. Acesso em: 27 aug. 2025.