https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Kern%2C%20Sergio%2C%22&sort_by=title_az&format=rss 4 0 50 ISBN:9505342454 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=153729 ]]> By Kern, Sergio,.
Buenos Aires : A-Z, 2005 .
15 p. : 9505342454

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=153729 ISBN:987901166X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=161312 ]]> By Kern, Sergio,.
Buenos Aires : Del Eclipse, 2004 .
[46] p. : 987901166X

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=161312 ISBN:9500719266 (10 dígitos) | 9789500719261 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=154136 By Montes, Graciela,.
Buenos Aires : Sudamericana, 2007 .
53 p. : 9500719266 (10 dígitos) | 9789500719261 (13 dígitos)

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