ECHEVERRI SÁNCHEZ, J. A. Editorial. Revista Educación y Pedagogía, [S. l.], v. 16, n. 40, p. 5–6, 2009. Disponível em: https://revistas.udea.edu.co/index.php/revistaeyp/article/view/6010. Acesso em: 8 dic. 2021.