MONTOBBIO, Manuel. Professor Ballbé and the perplexity of the quetzal: An approach to peace building in Guatemala in memory of Manuel Ballbé. Journal of Human Security and Global Law, Cerdanyola del Vallès, v. 1, p. 67–92, 2022. DOI: 10.5565/rev/jhsgl.30. Disponível em: https://revistes.uab.cat/jhsgl/article/view/v1-montobbio. Acesso em: 11 jul. 2026.