de Castro Ruano, José Luis, and Diego Borrajo Valiña. “The Future of Security and Defence in the EU Post-Brexit: The Leap to Integration”. Deusto Journal of European Studies, no. 60 (April 30, 2019): 187-217. Accessed November 15, 2025. https://ced.revistas.deusto.es/article/view/1580.