Nieto Rojas, José Alberto2017-06-012017-06-012017-06-012304-2494application/pdfspaRevista Cathedra - 2017Artículo de revista10.37594/cathedra.n1.32http://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccess2644-397Xhttps://doi.org/10.37594/cathedra.n1.32