https://www.wsi.de/fpdf/HBS-008896/p_wsi_report_97e_2024.pdf
http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Ouvrage_complet_vdef.pdf
https://blogs.lse.ac.uk/europpblog/2021/07/23/same-legal-status-but-unequal-treatment-bureaucratic-discrimination-against-mobile-eu-citizens/
https://www.etui.org/sites/default/files/2024-04/Benchmarking%20Working%20Europe%202024%20The%20ongoing%20quest%20for%20Social%20Europe_2024.pdf