http://www.telegraph.co.uk/news/2017/05/23/66m-migrants-waiting-cross-europe-africa-report/
https://wiiw.ac.at/the-factors-driving-migration-intentions-and-destination-preferences-in-central-east-and-southeast-european-countries-dlp-6901.pdf
https://www.brookings.edu/blog/order-from-chaos/2023/01/06/refugees-must-be-central-to-the-reconstruction-of-ukraine/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=240704982&utm_source=hs_email
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2020-na91-niveau-territoire-juin.pdf