Zapata Lesmes, Clemencia del Consuelo, Jesica Paola Correa Caballero, Elías David González Castellar, Ruben Dario Mercado Gaviria, y Dina Esther Luna Navarro. 2010. «// The Diagnosis for the Design of an Electronic Device That Allows Access of Facilitating the Learning of Braille Reading and Writing Processes for Children (as) Blind». Hexágono Pedagógico 1 (1):59-68. https://doi.org/10.22519/2145888X.268.