
https://yakovpartners.ru/upload/iblock/9c2/ci594n0ysocxuukw7iliw6qtr4xz6cc4/BRICS_Research_on_IMFS.pdf

https://www.ft.com/content/bcebd77c-057b-4fd0-bd99-b97e0e559455

http://www.iata.org/publications/economic-briefings/value-of-air-cargo-2016-summary.pdf