https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Olds%2C%20Henry%20F.%2C%22&sort_by=title_az&format=rss 3 0 50 ISBN:843298602X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=9609 ]]> By Drew, Walter F..
Barcelona, Esp. : CEAC. .
96 p. : 843298602X

]]> Place hold on Cómo motivar a sus alumnos /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=9609 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=65823 By Olds, Henry F., Jr..
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296-298

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=65823 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=93550 New York : Harper and Row, 1964 .
xv, 430 p.

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