Villela, Arthur Blois. “The Lisbon Treaty and the Common Foreign and Security Policy (CFSP): The Limits of the European Union As a Single Actor”. Revista de Propriedade Intelectual, Direito Contemporâneo e Constituição 5, no. 1 (February 1, 2016): 134–148. Accessed October 8, 2026. https://pidcc.com.br/pidcc/article/view/139.