
http://www.ips-journal.eu/topics/human-rights/article/show/lets-not-lose-our-thread-2155/

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

https://www.bloomberg.com/news/articles/2018-04-04/europe-s-growth-engine-is-running-out-of-steam-chart