https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22PROBLEMAS%20CURRICULARES%22%29&sort_by=title_az&format=rss 4 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=64985 By Williams, Michael.
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61-71

]]> Place hold on Continuites and discontinuites in economic and industrial understanding between the primary and secondary phases

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=64985 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=73001 By Carr, David.
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111-117

]]> Place hold on Moral and religious education 5-14

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105-110

]]> Place hold on Thefive-forten for models : Stop on the way, if not how to travel?

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457-469

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