VILLALBA CUELLAR, JUAN CARLOS. “El Deber De información En El Derecho 1 Del Consumo; The Duty to Provide Information on Consumer Law; O Dever De informação Sobre Direito Do Consumidor”. IUSTA 2, no. 37 (December 12, 2012). Accessed December 5, 2025. https://revistas.usantotomas.edu.co/index.php/iusta/article/view/1081.