http://www.bertelsmann-stiftung.de/fileadmin/files/Projekte/Migration_fair_gestalten/IB_PolicyBrief_Einwanderungsgesetz_082017_ENG.pdf
http://www.euronews.com/2018/07/09/europe-s-immigration-crisis-still-lacks-permanent-solution-does-european-ncna889636
https://www.brookings.edu/blog/order-from-chaos/2018/01/25/in-rethinking-refuge-draw-lessons-from-turkey/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=60257046