https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22DEMOSTRACION%20EDUCACIONAL%22%29&sort_by=title_az&format=rss 7 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=74332 By Loren, Winters.
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411-413

]]> Place hold on A photogate flash trigger and a demostration of inertia

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=74332 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=63613 By Kruglak, Haym.
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392-396

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=63613 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=68769 By Henry, Dennis C..
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42-46

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430-433

]]> Place hold on On bringing physics into the elementary-school classroom

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=73672 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76527 By Clift, Philip A..
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23-25

]]> Place hold on Sampling stoichiometry : the decomposition of hydrogen peroxide

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=76527 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=78126 By Gore, Gordon R..
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400-401

]]> Place hold on Three inexpensive static-electricity demostrations

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=78126 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=79309 By Yoder, Sharon.
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16-18

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