Escaffi, Carlos2018-08-032018-08-032017https://repositorio.pucp.edu.pe/index/handle/123456789/131490No presenta resumenapplication/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#5.02.04