
https://blogs.lse.ac.uk/brexit/2021/01/11/article-16-of-the-ireland-northern-ireland-protocol-offers-no-quick-fix/

http://www.ips-journal.eu/topics/european-union/article/show/eu-assurance-co-2037/

http://www.cbi.org.uk/cbi-prod/assets/File/June%202017_CBI%20economic%20forecast%20table(1).pdf