https://ecipe.org/wp-content/uploads/2024/04/ECI_24_PolicyBrief_08-2024_LY05.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/868378/200227_UK_trade_in_Numbers_full_web_version_final.pdf
http://blogs.worldbank.org/developmenttalk/wto-s-trade-facilitation-agreement-and-doing-business-reforms-are-they-related-and-how
http://library.fes.de/pdf-files/iez/13375.pdf