Villela, Arthur Blois. “The Lisbon Treaty and the Common Foreign and Security Policy (CFSP): The Limits of the European Union As a Single Actor”. The Journal of Intellectual Property – Contemporary Law and Constitution 5, no. 1 (February 1, 2016): 134–148. Accessed August 8, 2026. https://pidcc.com.br/pidcc/article/view/139.