Guzmán- Barrón Sobrevilla, César2017-09-252017-09-251988http://revistas.pucp.edu.pe/index.php/themis/article/view/9302/9719No presenta resumenapplication/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0DerechoComercio exteriorinfo:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#5.05.01