https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=pl%3A%22NUEVA%20YORK%2C%20EUA%22&sort_by=title_az&format=rss 6 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=64258 Nueva York, EUA .
39-89

]]> Place hold on College Academic Assistence Programs and Practices

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=64258 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=65427 By MCDOUGALL,Anne.
Nueva York, EUA .
111-117

]]> Place hold on Curriculum integration of Microworlds and portable computers

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=65427 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=67018 By OAKLEY, John.
Nueva York, EUA .
83-93

]]> Place hold on Educational environments for research on cognitive development through programming

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=67018 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=72157 By LIU, Leping.
NUEVA YORK, EUA .
95-110

]]> Place hold on Logo and geometric thinking : concrete-abstract-concrete thinking / Leping Liu, Rhoda Cummings

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=72157 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=113146 By Clements, Douglas H.
Nueva York, EUA .
9-46

]]> Place hold on Research on logo : a decade of progress

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=113146 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=79423 By SIMMONS, Malcom.
Nueva York, EUA .
23-33

]]> Place hold on Working with a round turtle : the development of angle-rotation concepts under restricted feedback conditions

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