http://ourglobalfuture.com/wp-content/uploads/2017/05/Global-Future-The_case_for_immigration.pdf
https://www.politico.eu/newsletter/brussels-playbook/weber-calls-on-tunisia-to-bring-down-migrant-numbers/
http://www.euronews.com/2018/07/09/europe-s-immigration-crisis-still-lacks-permanent-solution-does-european-ncna889636