Sánchez León, Abelardo2016-03-08http://revistas.pucp.edu.pe/index.php/conexion/article/view/16453/16830No presenta resumenapplication/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0Presentacióninfo:eu-repo/semantics/otherhttps://purl.org/pe-repo/ocde/ford#5.09.01