
https://www.europarl.europa.eu/at-your-service/files/be-heard/eurobarometer/2019/parlemeter-2019/executive-summary/en-parlemeter-2019-executive-summary.pdf

https://www.mckinsey.com/industries/public-and-social-sector/our-insights/the-social-contract-in-the-21st-century

https://blogs.lse.ac.uk/europpblog/2022/03/04/are-ukrainian-values-closer-to-russia-or-to-europe/