
http://www.iata.org/whatwedo/Documents/economics/impact_of_brexit.pdf

https://www.theatlantic.com/international/archive/2020/09/britain-brexit-humbling/616343/

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