https://blogs.lse.ac.uk/europpblog/2023/03/13/what-impact-have-eu-sanctions-had-on-the-russian-economy/
http://www.iata.org/publications/economic-briefings/value-of-air-cargo-2016-summary.pdf
https://www.brookings.edu/articles/ahead-of-elections-pakistans-democracy-stands-badly-damaged/