
https://wiiw.ac.at/cefta-trade-and-growth-patterns-fifteen-years-since-establishment-dlp-6508.pdf

https://visual.ons.gov.uk/commonwealth-trade-in-focus-as-uk-prepares-for-brexit/

https://www.gov.uk/government/news/pms-open-letter-to-eu-citizens-in-the-uk