Acevedo Zapata, Sandra, Héber Celín Navas, José Alejandro Tasat, and Aldo Ocampo González. Essays on Education for the 21st Century. Education. Colombia,CO: Sello Editorial UNAD, 2023. Accessed November 2, 2026. https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/237.