
https://www.instituteforgovernment.org.uk/sites/default/files/publications/negotiating-brexit-preparing-talks-uk-future-relationship-eu-FINAL_1.pdf

http://www.ibec.ie/IBEC/Press/PressPublicationsdoclib3.nsf/vPages/Newsroom~uk%27s-brexit-approach-risks-damaging-uk-irish-relations-17-01-2017/%24file/Brexit+Priorities+Report.pdf

https://constitution-unit.com/2022/09/06/boris-johnson-and-the-myth-of-getting-brexit-done/?mc_cid=95e6373cc2&mc_eid=815b1928ec