
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_Euro_Court_Justice_WEB.pdf

https://theconversation.com/radicalizacion-violenta-similitudes-y-diferencias-en-la-evolucion-del-ira-y-eta-196509

https://www.ips-journal.eu/topics/foreign-and-security-policy/belgrade-needs-a-new-foreign-policy-7685/