https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm
https://www.instituteforgovernment.org.uk/printpdf/10590
http://blogs.lse.ac.uk/politicsandpolicy/john-mills-ge2017/
https://exchange.cim.co.uk/editorial/is-brexit-marketers-biggest-challenge-no-the-apocalypse-is-coming/