DSpace Community: http://repositoriodigital.ipn.mx/handle/123456789/19020 Sat, 18 Apr 2026 12:55:14 GMT 2026-04-18T12:55:14Z UPGP http://repositoriodigital.ipn.mx/handle/123456789/19176 Title: UPGP Authors: UPGP Wed, 25 Jun 2014 00:00:00 GMT http://repositoriodigital.ipn.mx/handle/123456789/19176 2014-06-25T00:00:00Z CIIDIR SINALOA http://repositoriodigital.ipn.mx/handle/123456789/19167 Title: CIIDIR SINALOA Authors: CIIDIR SINALOA Wed, 25 Jun 2014 00:00:00 GMT http://repositoriodigital.ipn.mx/handle/123456789/19167 2014-06-25T00:00:00Z DFLE http://repositoriodigital.ipn.mx/handle/123456789/19162 Title: DFLE Authors: DFLE Wed, 25 Jun 2014 00:00:00 GMT http://repositoriodigital.ipn.mx/handle/123456789/19162 2014-06-25T00:00:00Z DDFC http://repositoriodigital.ipn.mx/handle/123456789/19158 Title: DDFC Authors: DDFC Wed, 25 Jun 2014 00:00:00 GMT http://repositoriodigital.ipn.mx/handle/123456789/19158 2014-06-25T00:00:00Z