
https://www.politico.eu/article/france-america-charles-michel-armenia-azerbaijan-nagorno-karabakh-refugees/

http://euroefe.euractiv.es/1311_actualidad/4466026_la-ampliacion-de-la-ue-provoco-una-fuga-de-cerebros-de-este-a-oeste.html

https://theconversation.com/us-and-european-economies-depend-heavily-on-immigrants-decades-of-data-reveal-just-how-much-261508