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

https://www.regjeringen.no/globalassets/upload/kilde/fkd/red/2004/0009/ddd/pdfv/228920-nilf_rapport_2004_9_s.pdf

http://www.japantimes.co.jp/opinion/2017/05/15/commentary/world-commentary/france-great-britain-unbeatable-combination/#.WTqNinm1s2x