https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef18037en.pdf
https://www.socialeurope.eu/the-worlds-of-work-in-transition-managing-the-megatrends-impacting-labour-markets-and-society
http://The European Social Pillar – Towards An EU Minimum Wage Policy?
http://www.ips-journal.eu/topics/human-rights/article/show/lets-not-lose-our-thread-2155/