Ridao Martín, Joan. “The Oscillating Doctrine of the Constitutional Court on the Definition of the Public Consultations by Referendum. A Critical Review through Four Judgments”. Estudios de Deusto 63, no. 1 (July 13, 2015): 359-385. Accessed April 1, 2025. https://revista-estudios.revistas.deusto.es/article/view/187.