http://www.bsa.natcen.ac.uk/latest-report/british-social-attitudes-34/key-findings/context.aspx?_ga=2.25464057.552181158.1498632950-1412959047.1496247036
https://www.socialeurope.eu/2017/07/for-social-europe/
https://blogs.lse.ac.uk/europpblog/2022/10/06/the-european-political-community-a-step-toward-differentiated-integration-in-europe/