DSpace Collection: http://repositoriodigital.ipn.mx/handle/123456789/574 2026-04-18T14:55:34Z 2026-04-18T14:55:34Z Biol. Jaime Nava Velázquez http://repositoriodigital.ipn.mx/handle/123456789/15216 2019-10-02T16:50:28Z 2013-04-17T00:00:00Z Title: Biol. Jaime Nava Velázquez Description: Fotografía 2013-04-17T00:00:00Z IBQ. Héctor Archivaldo Vela Álvarez http://repositoriodigital.ipn.mx/handle/123456789/15215 2019-10-02T16:50:26Z 2013-04-17T00:00:00Z Title: IBQ. Héctor Archivaldo Vela Álvarez Description: Fotografía 2013-04-17T00:00:00Z Ing. Enrique Ortega Rocha Director 1986-1989 http://repositoriodigital.ipn.mx/handle/123456789/15214 2019-10-02T17:11:47Z 2013-04-17T00:00:00Z Title: Ing. Enrique Ortega Rocha Director 1986-1989 Description: Fotografía 2013-04-17T00:00:00Z M. en C. Enrique Lavín Montoya Director 1991-2001 http://repositoriodigital.ipn.mx/handle/123456789/15213 2019-10-02T16:50:25Z 2013-04-17T00:00:00Z Title: M. en C. Enrique Lavín Montoya Director 1991-2001 Description: Fotografía 2013-04-17T00:00:00Z