https://www.ipg-journal.de/regionen/europa/artikel/detail/wind-in-ihren-segeln-4625/
https://www.brookings.edu/blog/brookings-now/2017/08/24/do-immigrants-steal-jobs-from-american-workers/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=55726788
http://www.radiofree.org/us/why-diemuk-shouldnt-take-a-precise-position-on-the-brexit-negotiations-or-why-britain-is-screwed/
https://www.socialeurope.eu/schrodingers-immigrant