http://odlisnost.cz/posts/pristehovalci-a-nase-zamestnani
https://cdn.tspace.gov.au/uploads/sites/107/2018/04/Shaping-a-Nation-1.pdf
https://www.esri.ie/system/files/publications/RS181_0.pdf
http://www.iata.org/whatwedo/Documents/economics/impact_of_brexit.pdf