Almenara Butler, Francisco2020-07-292020-07-291902https://repositorio.pucp.edu.pe/index/handle/123456789/171688spainfo:eu-repo/semantics/openAccesshttps://creativecommons.org/publicdomain/zero/1.0/Siglo XXPerúHistoriaCrianza de niñosMortalidad Infantilinfo:eu-repo/semantics/otherhttp://purl.org/pe-repo/ocde/ford#6.00.00