https://www.esri.ie/system/files/publications/RS185_0.pdf
https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know
https://cdn.tspace.gov.au/uploads/sites/107/2018/04/Shaping-a-Nation-1.pdf
https://www.aicgs.org/publication/refugees-terrorism-and-a-failing-security-architecture/