https://www.nao.org.uk/wp-content/uploads/2018/10/The-UK-border-preparedness-for-EU-exit.pdf
http://www.telegraph.co.uk/news/0/tory-dup-deal-agreement-full/
https://www.vdma.org/v2viewer/-/v2article/render/21059151
http://uk.businessinsider.com/former-eu-negotiator-mays-government-has-handled-brexit-in-the-absolute-worst-way-2017-7