http://trade.ec.europa.eu/doclib/docs/2019/june/tradoc_157964.pdf
https://mailchi.mp/ppionline/trade-fact-of-the-week-070324
https://www.africantraderemedies.com/articles/international-trade-law-in-times-of-turbulence/
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6456&CESifoWP.search=+