https://blogs.lse.ac.uk/brexit/2021/01/11/article-16-of-the-ireland-northern-ireland-protocol-offers-no-quick-fix/
http://ecdpm.org/wp-content/uploads/Charting-the-course-to-2020-Fundamental-choices-for-the-negotiation-of-a-future-ACP-EU-partnership-Medinillla-Bossuyt-ECDPM.pdf
https://ustr.gov/sites/default/files/2019_National_Trade_Estimate_Report.pdf