https://www.institut-de-la-protection-sociale.fr/download/contribution-de-linstitut-de-la-protection-sociale-a-la-2eme-phase-de-concertation/?wpdmdl=5221
https://www.occrp.org/en/daily/17580-dr-congo-exposes-tens-of-thousands-of-ghost-workers-across-government-ministries
https://commission.europa.eu/system/files/2023-06/COM_2023_311_1_EN_annexe_autre_acte_part1_v7.pdf