http://www.niesr.ac.uk/sites/default/files/publications/NIESR%20EU2%20MIGRATION%20REPORT.pdf
https://www.brookings.edu/blog/the-avenue/2017/08/03/u-s-immigration-levels-continue-to-fuel-most-community-demographic-gains/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=54956018
https://english.alaraby.co.uk/features/how-kais-saied-uses-irregular-migration-political-gain
http://www.ips-journal.eu/topics/human-rights/article/show/lets-not-lose-our-thread-2155/