COLLAZO-RODRÍGUEZ, Andrés A. Palabras preliminares. Revista de Educación de Puerto Rico (REduca), [S. l.], v. 42, n. 1, p. 7–10, 2011. Disponível em: https://revistas.upr.edu/index.php/educacion/article/view/16592. Acesso em: 1 may. 2024.