
https://www.investigate-europe.eu/posts/congo-brazzaville-european-oil-companies-petronor-perenco-secret-interests-with-ruling-family

https://www.documentcloud.org/documents/21416178-note-confidentiel-defense-du-12-mai-2016-ciemgg-russie

https://www.sviluppoeconomico.gov.it/images/stories/documenti/Proposte_per_una_Strategia_italiana_AI.pdf