1. Recycling of Nickel, Cobalt and Platinum-Group Metals
2. USGS (2020) Mineral Commodity Summaries 2020. U.S. Geological Survey, Reston.
3. Leaching of a Cu-Co ore from Congo using sulphuric acidhydrogen peroxide leachants
4. Kafumbila, K. (2018) Dissolution of Cobalt (III) Using Simultaneously Ferrous and Sulfur Dioxide as Reducing Reagents Performed in Open Agitated Tank: Kinetic Model. 1-12.
5. Kampolobwe, C., Mwana, M.S., Musala, M.K., Mbayo, C.K. and Mbayo, H.I. (2020) Approach Ruashi Mining Plants Tried Lubumbashi (Dr Congo) (Case of the Company Ruashi Mining S.A.S). International Journal of Research in Social Sciences, 10, 1-22.