https://www.ipg-journal.de/aus-meinem-buecherschrank/artikel/revolte-gegen-die-nachahmung-4146/
https://progressivepost.eu/wp-content/uploads/PP14-07NEW-RECAP-28-09-2020_2.pdf
https://www.icij.org/investigations/trafficking-inc/audits-aimed-at-flagging-labor-abuses-are-designed-to-fail-investigation-finds/