https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22SISTEMAS%20DE%20TELECOMUNICACION%22%29&sort_by=title_az&format=rss 3 0 50 ISBN:9233025195 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=104017 ]]> By Mowlana, Hamid,.
París : UNESCO, 1990 .
60 p. 9233025195

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=104017 ISBN:9706542418 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84213 ]]> By Pérez Martínez, Federico.
México : UAM-Azcapotzalco, 1998 .
156 p. : 9706542418

]]> Place hold on Introducción a los medios de transmisión /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=84213 ISBN:8189218107 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=181285 ]]> [S.l.] : UNESCO, 2005 .
156 p. : 8189218107

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