https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Peque%C3%B1os%20cient%C3%ADficos.%22&sort_by=title_az&format=rss 4 0 50 ISBN:9806437543 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=131046 ]]> By Jeneusse, Albin Michel.
Bogotá : Playco, 2004 .
75 p. : 9806437543

]]> Place hold on El clima y las estaciones /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=131046 ISBN:9502411730 (10 dígitos) | 9789502411736 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=159659 By Mason, Adrienne.
Buenos Aires : Albatros, 2006 .
32 p. : 9502411730 (10 dígitos) | 9789502411736 (13 dígitos)

]]> Place hold on Cómo se mueven las cosas :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=159659 ISBN:9502411722 (10 dígitos) | 9789502411729 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=159658 By Mason, Adrienne.
Buenos Aires : Albatros, 2006 .
32 p. : 9502411722 (10 dígitos) | 9789502411729 (13 dígitos)

]]> Place hold on ¿De qué están hechas las cosas? :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=159658 ISBN:9806437519 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=146133 ]]> By Jeneusse, Albin Michel.
Bogotá : Playco, 2004 .
83 p. : 9806437519

]]> Place hold on Las nubes y la lluvia /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=146133