KLEIN, Lawrence R. Peacekeeping operations: From the birth of the United Nations onward. The Economics of Peace and Security Journal, [S. l.], v. 1, n. 2, 2006. DOI: 10.15355/epsj.1.2.4. Disponível em: https://www.epsjournal.org.uk/index.php/EPSJ/article/view/29. Acesso em: 28 apr. 2024.