
https://ec.europa.eu/commission/publications/terms-reference-article-50-treaty-european-union-negotiations_en

http://www.independent.co.uk/news/uk/politics/brexit-workers-rights-european-court-of-justice-ruling-conley-king-ecj-gig-economy-eu-a8082801.html

https://institute.global/news/tony-blair-parliaments-duty-brexit