https://www.iso.org/files/live/sites/isoorg/files/store/en/PUB100456.pdf
https://cerre.eu/wp-content/uploads/2023/07/CERRE-DSA-Systemic-Risk-Report.pdf
https://www.brookings.edu/blog/up-front/2019/04/09/how-big-is-the-problem-of-tax-evasion/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=71720872
https://www.supremecourt.gov/opinions/20pdf/20-197_5ie6.pdf