https://www.esri.ie/system/files/publications/RS123.pdf
http://uk2070.org.uk/wp-content/uploads/2020/02/UK2070-FINAL-REPORT.pdf
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2019-na83-gains-monetaires-decembre.pdf
https://www.researchgate.net/publication/351524462_HesaMag_23_-_with_a_special_report_about_workers_in_the_food_chain/link/609bfc9b458515a04c638ff6/download