https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Gentile%2C%20Georgina%22&sort_by=title_az&format=rss 4 0 50 ISBN:9507245987 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=117419 ]]> By Gentile, Georgina.
Buenos Aires : Lumen, 1996 .
24 p. : 9507245987

]]> Place hold on ¡Queremos sobrevivir! :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=117419 ISBN:9505502737 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=88369 ]]> By Wais de Badgen, Irene.
Buenos Aires : Magisterio del Río de la Plata, 1999 .
111 p. : 9505502737

]]> Place hold on Temas ambientales de hoy que todo docente debe conocer :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=88369 ISBN:9870006485 (10 dígitos) | 9789870006480 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=173372 By Gentile, Georgina.
México : Lumen, 2006 .
23 p. : 9870006485 (10 dígitos) | 9789870006480 (13 dígitos)

]]> Place hold on Yo, el rey de la seda /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=173372 ISBN:9507247076 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=156324 ]]> By Gentile, Georgina.
Buenos Aires : Lumen, 2007 .
53 p. : 9507247076

]]> Place hold on Yo quiero cuidar a mi planeta /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=156324