Ruiz Massieu C. Effective Multilateralism: Reflections on the Contribution of the United Nations to the Building of Peace in Colombia. RMPE [Internet]. 28 de abril de 2023 [citado 30 de junio de 2024];(125):59-6. Disponible en: https://revistadigital.sre.gob.mx/index.php/rmpe/article/view/2600