
https://www.wto.org/english/res_e/booksp_e/gvc_dev_report_2019_e.pdf

https://www.brookings.edu/articles/how-europe-can-avoid-a-transatlantic-trade-war/

https://uk.reuters.com/article/uk-britain-eu-options/stairway-to-brexit-barnier-maps-out-uks-canadian-path-idUKKBN1ED23R