https://allafrica.com/stories/201510220800.html
https://cameroonpostline.com/after-biyas-national-day-of-mourning-1dead-20-injured-in-douala-stampede/%E2%80%8B
https://www.cameroon-info.net/article/cameroun-drame-bousculade-meurtriere-au-stade-de-la-reunification-de-douala-lors-dune-campagne-249900.html
https://fr.wikipedia.org/wiki/Stade_de_la_R%C3%A9unification