NACIONES SURAMERICANAS, U. de. VI Regular Meeting of the Council Heads of State and Government of the Union of South American Nations. Revista Aportes para la Integración Latinoamericana, [S. l.], n. 27, 2017. Disponível em: https://revistas.unlp.edu.ar/aportes/article/view/3444. Acesso em: 18 jul. 2024.