https://www.ips-journal.eu/topics/foreign-and-security-policy/diplomacy-over-military-7075/
https://www.economicsobservatory.com/what-is-the-current-state-of-the-russian-economy-under-sanctions
https://pism.pl/webroot/upload/files/Biuletyn/PISM%20Bulletin%20no%2090%20(2007)%202%20June%202022.pdf