https://www.bruegel.org/event/war-ukraine-what-effect-central-and-eastern-europe
http://www.consilium.europa.eu/en/press/press-releases/2017/04/29-euco-brexit-guidelines/
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
https://english.elpais.com/international/2023-04-17/the-underground-bankers-of-the-people-smuggling-business.html