
https://www.realclearmarkets.com/articles/2023/07/21/the_quickest_path_to_becoming_a_billionaire_966656.html

http://ecipe.org//app/uploads/2017/06/ECIPE_17_PB_Reforming-Services_V5.pdf

https://www.strategie.gouv.fr/files/files/Publications/2025/2025-01-21%20-%20Eau/FS-2025-Rapport-EAU-24janvier.pdf