https://towardsdatascience.com/a-new-coefficient-of-correlation-64ae4f260310
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-dt-impact-politiques-publiques-decembre-2018.pdf
https://www.brookings.edu/blog/brown-center-chalkboard/2021/09/28/flipped-learning-what-is-it-and-when-is-it-effective/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=167047667&utm_source=hs_email
https://www.aspi.org.au/report/state-sponsored-economic-cyber-espionage-commercial-purposes-governmental-practices