López-Rodríguez, Campo Elías, Yamile Andrea Cubillos Gómez, Edisson Pérez Cristancho, and Jorge Andrés De La Rosa Cárdenas. “A Multidimensional Proposal of Personal Banking Portfolio for Silver Economy”. RAN - Revista Academia & Negocios (January 1, 2025): 1-15. Accessed July 5, 2025. https://revistas.udec.cl/index.php/ran/article/view/19733.