http://www.euronews.com/2017/12/08/view-visegrad-nations-protect-the-eu-it-s-time-to-say-thanks-
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.eurofound.europa.eu/sites/default/files/wpef17037.pdf
https://www.ips-journal.eu/interviews/seeking-asylum-is-not-a-crime-5332/?utm_source=Social&utm_medium=Newsletter&utm_campaign=seeking-asylum-is-not-a-crime&utm_id=Newsletter