https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%22c1999-2005.%22&sort_by=title_az&format=rss 3 0 50 ISBN:9706901167 (v.1, c2000) | 9706901175 (v.2, c1999) | 9706901256 (v.3, c2000) | 9706901264 (v.4, c2000) | 9706902287 (v.5, c1999) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=116290 By Benítez, Juan José,.
México : Planeta, 1999 .
v- 9706901167 (v.1, c2000) | 9706901175 (v.2, c1999) | 9706901256 (v.3, c2000) | 9706901264 (v.4, c2000) | 9706902287 (v.5, c1999)

]]> Place hold on Caballo de troya /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=116290 ISBN:9701822323 | 9701861515 (2001 impr.) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=95863 ]]> México : SEP, Comisión Nacional de los Libros de Texto Gratuitos, 1999 .
143 p. : , Libro de texto gratuito | 2a ed. es una reimpr. 9701822323 | 9701861515 (2001 impr.)

]]> Place hold on Libro para el maestro :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=95863 ISBN:9682449332 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=126370 ]]> By Smith, Romayne.
México : Trillas, 1999 .
430 p. 9682449332

]]> Place hold on Niños con retraso mental :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=126370