
https://www.piie.com/research/piie-charts/which-countries-are-cptpp-and-rcep-trade-agreements-and-which-want

http://www.esf.be/new/wp-content/uploads/2018/07/ESF-Press-Release-on-Importance-of-Services-Trade-in-EU-UK-Future-Relastionship.pdf

https://library.fes.de/pdf-files/international/20258.pdf