Valencia Trujillo, Francis Liliana, Álvaro Quiceno Martínez, and Reinaldo Giraldo Díaz. Environmental Public Policy and the Environment in Valle del Cauca 1991-2010. Agriculture, Livestock and Environment. Colombia,CO: Sello Editorial UNAD, 2013. Accessed November 2, 2026. https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/92.