https://www.tuc.org.uk/sites/default/files/Brexit%20Legal%20Opinion.pdf
https://d3n8a8pro7vhmx.cloudfront.net/campaigncountdown/pages/1052/attachments/original/1512946196/Future_of_Work_Commission_Report__December_2017.pdf?1512946196
https://www.ilo.org/wcmsp5/groups/public/—ed_norm/—relconf/documents/meetingdocument/wcms_624037.pdf
https://www.ips-journal.eu/topics/democracy-and-society/german-companies-have-to-ensure-decent-working-conditions-5013/