https://www.esri.ie/system/files/publications/RS158_0.pdf
https://www.greatbritishpolitics.co.uk/europe/654-dual-nationality-and-the-hurdles-facing-britons-who-want-to-keep-eu-citizenship-after-brexit.html
https://www.ips-journal.eu/topics/foreign-and-security-policy/a-barbed-wire-curtain-around-europe-6602/?utm_campaign=en_1084_20230327&utm_medium=email&utm_source=newsletter
https://www.socialeurope.eu/2017/07/49234/