https://www.ilo.org/wcmsp5/groups/public/—dgreports/—cabinet/documents/publication/wcms_662442.pdf
https://static.europeanchamber.com.cn/upload/documents/documents/The_Digital_Hand_How_China_s_Corporate_Social_Credit_System_Conditons_Market_Actors[709].pdf
https://www.ipg-journal.de/regionen/global/artikel/detail/vorbei-mit-der-freiwilligkeit-4508/
https://trade.ec.europa.eu/doclib/docs/2021/july/tradoc_159709.pdf