https://wiiw.ac.at/the-granular-trade-and-production-activities-grantpa-database-dlp-6911.pdf
https://www.wto.org/english/res_e/booksp_e/00_wtr19_e.pdf
https://www.brookings.edu/articles/south-africa-agoa-and-nonalignment/
https://www.santandercb.co.uk/sites/default/files/documents/trade_barometer_spring_2022.pdf