https://www.socialeurope.eu/brexit-status-quo-ex-ante
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/637748/Future_customs_arrangements_-_a_future_partnership_paper.pdf
https://institute.global/news/globalisation-brexit-and-transatlantic-alliance
https://www.bloomberg.com/politics/articles/2017-04-26/brexit-risks-opening-pandora-s-box-of-trade-disputes-for-britain?cmpid=BBBXT042617_BIZ&utm_medium=email&utm_source=newsletter&utm_term=170426&utm_campaign=brexit