China’s cobalt mines in spotlight as DRC seeks to renegotiate deals | South China Morning Post
https://www.scmp.com/news/china/diplomacy/article/3134430/chinas-cobalt-mines-spotlight-drc-seeks-renegotiate-dealsChina’s top cobalt producer halts buying from Congo miners
https://www.ft.com/content/ce9af944-fb70-4576-88d0-dc76821facfdDRC bans export of cobalt, copper concentrate - Fastmarkets - MINING.COM
https://www.mining.com/drc-bans-export-of-cobalt-copper-concentrate-fastmarkets/His Excellency GovernorRichard Muyej | Mining and Business Magazine
https://en.miningandbusiness.com/%20interviews/his-excellency-governorrichard-muyej-71Opinion | ‘This Is Our Land’ - The New York Times
https://www.nytimes.com/2019/01/26/opinion/sunday/congo-mining-election-fraud.htmlPhotographing Congo's Cobalt Empire | Pulitzer Center
https://pulitzercenter.org/stories/photographing-congos-cobalt-empireProfiling the world's largest cobalt-producing countries
https://www.nsenergybusiness.com/features/top-cobalt-producing-countries/The Dark Side of Congo’s Cobalt Rush | The New Yorker
https://www.newyorker.com/magazine/2021/05/31/the-dark-side-of-congos-cobalt-rush