http://www.russellgroup.ac.uk/news/blog-international-students/
https://www.brookings.edu/opinions/venezuelas-refugee-crisis-will-exceed-syrias-we-must-help/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=60754413
http://uk.reuters.com/article/uk-britain-eu-immigration-idUKKBN18L0XG
http://HTTPS://WWW.NRC.NL/NIEUWS/2018/12/07/DIE-INFO-OORLOG-WAS-DE-BEDOELING-A3059908?FBCLID=IWAR34TL6J7DLM_CVARMMSXYYNR1MUQKQY-NIIZI4TSDFCC-K0V2HQGZMKHE4&UTM_SOURCE=POLITICO.EU&UTM_CAMPAIGN=DACEE2ECC0-EMAIL_CAMPAIGN_2018_12_1