https://www.socialeurope.eu/activation-work-poverty
https://www.etui.org/sites/default/files/2023-04/Labour%20shortages-turning%20away%20from%20bad%20jobs_2023.pdf
https://www.boeckler.de/pdf/p_study_hbs_376.pdf
http://ec.europa.eu/newsroom/just/item-detail.cfm?item_id=607452