Piaggio, HugoKiefer-Marchand, Javier1956-12-01http://revistas.pucp.edu.pe/index.php/derechopucp/article/view/13200/13810No contiene resumenapplication/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0Seminario Interamericano sobre Libertad de EnseƱanzainfo:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#5.05.00