https://www.socialeurope.eu/2017/07/german-wages-need-rise/
https://www.socialeurope.eu/structural-reforms-labour-markets-impair-innovation
http://www.geog.qmul.ac.uk/media/geography/docs/research/working-beyond-the-border/Governing-Labour-Standards.pdf
https://www.etui.org/sites/default/files/2025-06/Non-standard%20and%20precarious%20work%20across%20Europe_2025.pdf