https://theconversation.com/eu-enlargement-what-does-the-future-hold-227716
https://www.bloomberg.com/news/articles/2017-06-14/ryanair-easyjet-say-soft-brexit-won-t-address-airline-concerns?cmpid=BBBXT061517_BIZ&utm_medium=email&utm_source=newsletter&utm_term=170615&utm_campaign=brexit
https://enlargement.ec.europa.eu/document/download/17115494-8122-4d10-8a06-2cf275eecde7_en?filename=ukraine-report-2025.pdf
UKIN-State-of-the-EU-Report-1.pdf (ukandeu.ac.uk)