Bronnen:
http://en.wikipedia.org/wiki/Democratic_Republic_of_the_Congo
http://en.wikipedia.org/wiki/Katanga_Province
http://www.katangamining.com/
http://www.globalpost.com/dispatch/kenya/100118/congo-conflict-minerals-mining
http://www.statista.com/statistics/339834/mine-production-of-cobalt-in-dr-congo/
http://en.wikipedia.org/wiki/Cobalt#mediaviewer/File:Cobalt_-_world_production_trend.svg
http://www.isf.es/ee/pdf/FFI_20Coltan_report.pdf
http://www.glo-be.be/nl/article-magazine/ambachtelijke-versus-industriele-mijnbouw-in-congo/
http://www.globalhealingcenter.com/natural-health/toxic-metal-health-dangers-cobalt/
http://www.ehow.com/info_8532892_dangers-cobalt.html
http://en.wikipedia.org/wiki/Cobalt_poisoning
http://www.magmacoltan.com/announcements/life-of-african-coltan-miners-is-one-of-suffering
http://www.katangamining.com/
http://en.wikipedia.org/wiki/Fairphone
http://www.enoughproject.org/conflicts/eastern_congo/conflict-minerals#Solutions
http://en.wikipedia.org/wiki/Democratic_Republic_of_the_Congo
http://en.wikipedia.org/wiki/Katanga_Province
http://www.katangamining.com/
http://www.globalpost.com/dispatch/kenya/100118/congo-conflict-minerals-mining
http://www.statista.com/statistics/339834/mine-production-of-cobalt-in-dr-congo/
http://en.wikipedia.org/wiki/Cobalt#mediaviewer/File:Cobalt_-_world_production_trend.svg
http://www.isf.es/ee/pdf/FFI_20Coltan_report.pdf
http://www.glo-be.be/nl/article-magazine/ambachtelijke-versus-industriele-mijnbouw-in-congo/
http://www.globalhealingcenter.com/natural-health/toxic-metal-health-dangers-cobalt/
http://www.ehow.com/info_8532892_dangers-cobalt.html
http://en.wikipedia.org/wiki/Cobalt_poisoning
http://www.magmacoltan.com/announcements/life-of-african-coltan-miners-is-one-of-suffering
http://www.katangamining.com/
http://en.wikipedia.org/wiki/Fairphone
http://www.enoughproject.org/conflicts/eastern_congo/conflict-minerals#Solutions