https://ec.europa.eu/social/main.jsp?catId=738&langId=en&pubId=8553
https://theconversation.com/the-gig-economy-is-nothing-new-it-was-standard-practice-in-the-18th-century-81057
https://www.progressivepolicy.org/trade-fact-of-the-week-ilo-236-billion-in-worldwide-profits-from-forced-labor-three-quarters-of-it-from-forced-sex-work/
https://www.epi.org/publication/trumps-deportation-agenda-will-destroy-millions-of-jobs-both-immigrants-and-u-s-born-workers-would-suffer-job-losses-particularly-in-construction-and-child-care/