https://www.socialeurope.eu/leaving-the-energy-charter-treaty-its-not-so-easy
http://www.euronews.com/2017/11/30/which-eu-countries-sell-arms-to-saudi-arabia-
https://www.imf.org/external/pubs/ft/fandd/2020/06/long-term-economic-impact-of-pandemics-jorda.htm
https://publications.parliament.uk/pa/ld5901/ldselect/ldfsrc/133/133.pdf