https://www.baua.de/DE/Angebote/Publikationen/Berichte/F2398.pdf?__blob=publicationFile&v=3
https://www.socialeurope.eu/ryanair-on-the-side-of-europes-citizens
https://www.socialeurope.eu/fears-and-hopes-around-future-minimum-wages
https://journals.sagepub.com/doi/pdf/10.1177/10242589211022550