
https://www.sbs.strath.ac.uk/economics/fraser/20171129/GMB-Brexit-report.pdf

https://www.tuc.org.uk/news/cbi-and-tuc-call-prime-minister-change-brexit-approach?language=cy

https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-goods-placed-market-under-union-law-withdrawal-date_en