https://webunwto.s3.eu-west-1.amazonaws.com/s3fs-public/2020-07/200728-barometer-en.pdf
https://knowledge.wharton.upenn.edu/article/whats-mine-consumption-changing/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2021-03-02
https://investigativ.ch/fr/2023/10/31/sabot-dor-2023/
https://www.econstor.eu/bitstream/10419/283282/1/1877510009.pdf