
https://www.nuffieldtrust.org.uk/files/2017-07/learning-from-scotland-s-nhs-final.pdf

https://www.etui.org/sites/default/files/2025-06/Benchmarking%20Working%20Europe%202025%20-%20WEB.pdf

https://www.secours-catholique.org/sites/scinternet/files/publications/rapport_revenusans_contreparties.pdf