
https://institute.global/sites/default/files/articles/Fixing-the-Northern-Ireland-Protocol-A-Way-Forward.pdf

https://visual.ons.gov.uk/commonwealth-trade-in-focus-as-uk-prepares-for-brexit/

https://blogs.lse.ac.uk/brexit/2021/02/26/future-british-european-security-relations-are-a-matter-of-trust/