
https://www.nao.org.uk/wp-content/uploads/2018/10/The-UK-border-preparedness-for-EU-exit.pdf

https://www.niesr.ac.uk/sites/default/files/UK%20Economy%20Press%20Release%20-NIER%20No245%20%20August%202018%20-%20EMBARGOED%20until%2000.01%20Wednesday%201st%20August.pdf

https://www.opendemocracy.net/uk/brexitinc/peter-geoghegan-adam-ramsay/meet-soopa-doopa-branding-agency-who-delivered-brexit?utm_source=Daily+Newsletter&utm_campaign=856b772c64-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-856b772c64-407405485