http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6452&CESifoWP.search=+
https://theconversation.com/fact-check-does-immigration-have-an-impact-on-wages-or-employment-83666
https://www.openglobalrights.org/climate-litigation-and-human-rights-averting-the-next-global-crisis/?lang=Spanish