https://www.clingendael.org/sites/default/files/2019-08/Report_US-China_stand-off.pdf
https://www.open-britain.co.uk/new_research_trade_deals_with_five_key_countries_could_take_26_years_to_negotiate
https://www.piie.com/sites/default/files/documents/wp22-12.pdf
https://www.iso.org/files/live/sites/isoorg/files/store/en/PUB100456.pdf