https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22RIO%20NEGRO%2C%20ARGENTINA%22%29&sort_by=title_az&format=rss 3 0 50 ISBN:950701246X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=25219 ]]> Buenos Aires : Aique, 1997 .
239 p. 950701246X

]]> Place hold on Fracaso escolar :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=25219 ISBN:950701246X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=209039 ]]> Buenos Aires, Argentina : Aique, 1994 .
239 páginas 950701246X

]]> Place hold on Fracaso escolar :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=209039 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=177525 By Santamaría, Flavia Irene.
Abingdon, Reino Unido .
125-137

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