
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2020-na-89-retraites-patrimoine-mai.pdf

https://businessday.ng/world/article/african-development-banks-55mn-anti-corruption-fund-unused-for-seven-years-ft/

https://www.boeckler.de/pdf/p_wsi_report_52_2019.pdf