http://The European Social Pillar – Towards An EU Minimum Wage Policy?
https://www.etui.org/sites/default/files/2024-04/Benchmarking%20Working%20Europe%202024%20The%20ongoing%20quest%20for%20Social%20Europe_2024.pdf
http://www.bsa.natcen.ac.uk/latest-report/british-social-attitudes-34/key-findings/context.aspx?_ga=2.25464057.552181158.1498632950-1412959047.1496247036