
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://www.swp-berlin.org/publications/products/comments/2022C59_EUTradePolicy-IndoPacific.pdf

https://www.wto.org/english/thewto_e/whatis_e/tif_e/understanding_e.pdf