https://avaazimages.avaaz.org/facebook_coronavirus_misinformation.pdf
https://www.greeneuropeanjournal.eu/du-socle-europeen-de-droits-sociaux-a-leuro-dividende-le-choix-dune-europe-sociale-ambitieuse/
https://webunwto.s3.eu-west-1.amazonaws.com/s3fs-public/2020-07/200728-barometer-en.pdf
https://www.bmj.com/content/372/bmj.n314