https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1714en.pdf
https://www.brookings.edu/blog/the-avenue/2017/08/03/u-s-immigration-levels-continue-to-fuel-most-community-demographic-gains/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=54956018
https://theconversation.com/fact-check-does-immigration-have-an-impact-on-wages-or-employment-83666
https://dailynewshungary.com/juncker-orban-european-solidarity-two-way-street/