
https://blogs.sussex.ac.uk/uktpo/2018/02/15/sustainability-impact-assessment-for-post-brexit-britain/

http://Bridging to Brexit: Insights from European SMEs, Corporates and Investors

https://ukandeu.ac.uk/the-swiss-approach-to-trade-with-the-eu/?mc_cid=f98b87bf43&mc_eid=815b1928ec