https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AIPN%2C%20UNAM&sort_by=title_az&format=rss 4 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=59685 Distrito Federal, México: IPN, UNAM 1987

]]> Place hold on COMPUTACION Y SISTEMAS

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=59685 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=189620 México : IPN : | UNAM, 2012 .
2 CD-ROM ; 4 3/4 : plgs.

]]> Place hold on Desafíos ante la obligatoriedad del bachillerato /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=189620 ISBN:9682947553 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=39056 ]]> México : IPN : | UNAM, 1992 .
234 p. 9682947553

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=39056 ISBN:9682912032 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=42285 ]]> By Lombardo Toledano, Vicente,.
México : IPN : | UNAM, 1987 .
3 v. 9682912032

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