Presentacion. Investigaciones Sociales, [S. l.], v. 15, n. 27, p. 11, 2011. DOI: 10.15381/is.v15i27.7656. Disponível em: https://revistasinvestigacion.unmsm.edu.pe/index.php/sociales/article/view/7656.. Acesso em: 3 may. 2024.