O. NDORO, Tinashe; K. WITIKA, Lordwell. A Review of the Flotation of Copper Minerals. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 34, n. 2, p. 145–165, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7590. Acesso em: 25 nov. 2025.