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

https://www.gov.uk/government/news/david-davis-speech-at-ubs

https://www.ips-journal.eu/topics/european-integration/europes-south-on-the-path-to-recovery-5241/?utm_campaign=en_903_20210615&utm_medium=email&utm_source=newsletter