https://www.gov.uk/government/news/joint-article-a-deep-and-special-partnership
https://ukandeu.ac.uk/wp-content/uploads/2020/05/UKICE-Post-Brexit-Gov-NI-Report.pdf
http://fedtrust.co.uk/our-work-on-europe/there-may-be-trouble-ahead-brexit-after-the-election/
http://www.cer.org.uk/sites/default/files/insight_js_st_9.6.17.pdf