https://www.imperial.ac.uk/news/196137/crunching-numbers-coronavirus/
https://www.socialeurope.eu/ryanair-on-the-side-of-europes-citizens
https://theconversation.com/guernica-una-invocacion-encapsulada-203519
https://www.ips-journal.eu/topics/european-integration/towards-fair-european-economies-7464/