https://www.theatlantic.com/magazine/archive/2020/12/can-history-predict-future/616993/
https://www.ilo.org/wcmsp5/groups/public/—ed_protect/—protrav/—travail/documents/publication/wcms_862569.pdf
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef20058en.pdf