http://ftp.iza.org/dp11249.pdf
https://theconversation.com/fact-check-does-immigration-have-an-impact-on-wages-or-employment-83666
https://www.ituc-csi.org/IMG/pdf/2023_ituc_global_rights_index_en.pdf
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1708en.pdf