Del Valle Gálvez, Alejandro. «Refugee Crisis and Migrations at the Gates of Europe: Deterritoriality, Extraterritoriality and Externalization of Border Controls». PEACE & SECURITY-PAIX ET SÉCURITÉ INTERNATIONALES (EuroMediterranean Journal of International Law and International Relations), no. 07 (noviembre 25, 2019): 117–160. Accedido febrero 12, 2026. https://reuredc.uca.es/index.php/paetsei/article/view/5502.