https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Primeros%20pasos%22&sort_by=title_az&format=rss 6 0 50 ISBN:950724218X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=199291 ]]> By Meredith, Susan.
Buenos Aires : Lumen, 2000 .
23 p. : 950724218X

]]> Place hold on ¿De dónde vienen los bebés? /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=199291 ISBN:075662133X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=126831 ]]> By Hayward, Linda.
Londres : DK , 2003 .
31 p. : 075662133X

]]> Place hold on Un día en la vida de un bombero /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=126831 ISBN:9507242171 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=192518 ]]> By Unwin, Mike.
Buenos Aires : Lumen, 1992 .
24 p. : 9507242171

]]> Place hold on ¿Dónde fueron los dinosaurios? /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=192518 ISBN:0822548682 | 0822548267 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=157514 ]]> By Nelson, Robin,.
Minneapolis, EUA : Lerner, 2003 .
23 p. : 0822548682 | 0822548267

]]> Place hold on ¿Dónde hay agua? /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=157514 ISBN:9507243968 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127463 ]]> By Meredith, Susan.
Buenos Aires : Lumen, 2006 .
24 p. : 9507243968

]]> Place hold on ¿Por qué la gente es diferente? /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127463 ISBN:0822548259 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=170242 ]]> By Nelson, Robin,.
Minneapolis, E.U.A. : Lerner, 2003 .
23 p. : 0822548259

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