Headline: De Frente: ¿Cataluna inconstitucional?Link: http://www.nacion.com/opinion/columnistas/de-frente-cataluna-inconstitucional/PI…Publication Date: Monday, November 13, 2017Primary Source: La Nacion (Costa Rica)Type: op-edFormat: Newspaper (Print)Nature of Mention: authoredScholar: Hidalgo, Juan CarlosResearch Area: Government and PoliticsSubjects: Catalan independence