https://theconversation.com/fact-check-does-immigration-have-an-impact-on-wages-or-employment-83666
http://economics.mit.edu/files/12979
http://www2.warwick.ac.uk/fac/soc/pais/research/researchcentres/irs/crossingthemed/ctm_final_report_4may2017.pdf
http://www.macrosocialreport.co.za/wp-content/uploads/2023/05/Macro-Social-Report-2023-ONLINE-VERSION-24-MAY-002_.pdf