https://www.brookings.edu/opinions/the-foreign-policies-of-the-sinaloa-cartel-and-cjng-part-iii-africa/
https://www.ilo.org/wcmsp5/groups/public/—ed_norm/—ipec/documents/publication/wcms_854733.pdf
http://www.lecese.fr/sites/default/files/pdf/Fiches/2017/FI13_raef.pdf http://www.lecese.fr/images/colloque/RAEF2017/RAEFVersionSection2.pdf