http://www.russellgroup.ac.uk/news/blog-international-students/
https://www.socialeurope.eu/romania-and-bulgaria-stuck-in-eus-second-tier
https://wiiw.ac.at/the-factors-driving-migration-intentions-and-destination-preferences-in-central-east-and-southeast-european-countries-dlp-6901.pdf
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