https://www.brookings.edu/wp-content/uploads/2020/03/Del-Negro-et-al-Conference-Draft.pdf
https://www.occrp.org/en/daily/17580-dr-congo-exposes-tens-of-thousands-of-ghost-workers-across-government-ministries
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/974507/20210331_-_CRED_Report_-_FINAL_-_Web_Accessible.pdf
https://www.socialeurope.eu/beyond-fantasies-industry-4-0-global-capital-no-answers