http://www.lecese.fr/sites/default/files/pdf/Avis/2018/2018_16_raef_2018.pdf
https://reutersevents.com/Events/reports/docs/magazine-december-2021.pdf
http://www.assemblee-nationale.fr/15/pdf/projets/pl1088.pdf
https://www.mckinsey.com/~/media/McKinsey/Global%20Themes/Meeting%20societys%20expectations/Solving%20the%20productivity%20puzzle/MGI-Solving-the-Productivity-Puzzle-Report-February-22-2018.ashx