https://www.opendemocracy.net/en/transformation/work-its-time-for-a-new-years-revolution/
http://www.iata.org/whatwedo/Documents/economics/impact_of_brexit.pdf
http://www.ips-journal.eu/regions/europe/article/show/bound-no-more-2609/
https://committees.parliament.uk/publications/4976/documents/50058/default/