
https://www.ippr.org/files/2017-09/cej-interim-report-summary-170911.pdf

https://www.wto.org/english/res_e/booksp_e/anrep_e/anrep17_e.pdf

https://www.open-britain.co.uk/new_research_trade_deals_with_five_key_countries_could_take_26_years_to_negotiate