
https://www.nao.org.uk/wp-content/uploads/2022/05/Regulating-after-EU-Exit.pdf

https://home.kpmg.com/content/dam/kpmg/nl/pdf/2018/sector/overheid/impact-van-non-tarifaire-handelsbelemmeringen-als-gevolg-van-brexit.pdf

http://ukandeu.ac.uk/wp-content/uploads/2017/06/One-year-on.pdf