https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef20023en.pdf
http://www.ips-journal.eu/topics/human-rights/article/show/lets-not-lose-our-thread-2155/
https://www.eurofound.europa.eu/sites/default/files/wpef17037.pdf
https://trade.ec.europa.eu/doclib/docs/2021/july/tradoc_159709.pdf