
https://www.bertelsmann-stiftung.de/en/publications/publication/did/social-justice-in-the-eu-index-report-2016/

https://www.thechicagocouncil.org/sites/default/files/2022-04/Final%20Russia%20Brief%20V2.pdf

https://www.nuffieldtrust.org.uk/news-item/how-has-the-role-of-the-private-sector-changed-in-uk-health-care