http://www.cepii.fr/PDF_PUB/pb/2021/pb2021-36.pdf
https://mid.ru/en/foreign_policy/news/themes/id/1810694/
https://www.timesofisrael.com/us-military-tells-iraq-it-is-preparing-to-move-out-official-letter/?utm_source=Breaking+News&utm_campaign=breaking-news-2020-01-06-2215562&utm_medium=email
https://www.hudson.org/security-alliances/niger-coup-west-african-disaster-making-wagner-james-barnett