
https://wiiw.ac.at/shifting-patterns-of-migration-in-europe-new-source-countries-old-challenges-dlp-6915.pdf

https://ec.europa.eu/commission/sites/beta-political/files/citizens-rights-essential-principles-draft-position-paper_en.pdf

https://theconversation.com/how-european-academics-are-feeling-about-life-in-britain-a-year-after-brexit-vote-78687