https://www.socialeurope.eu/social-dialogue-in-central-and-eastern-europe
https://www.ips-journal.eu/topics/democracy-and-society/german-companies-have-to-ensure-decent-working-conditions-5013/
http://www.ilo.org/wcmsp5/groups/public/—dgreports/—cabinet/documents/genericdocument/wcms_371208.pdf
https://www.socialeurope.eu/2017/07/real-measure-inequality/