https://opac.ocplibrary.ph/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AHeldref%20Publications%2C&sort_by=relevance&format=rss 6 0 50 ISBN: https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=643 Washington, DC : Heldref Publications 2008 .
75 p. : 28 cm..

]]> Place hold on The Journal of Educational Research

]]> https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=643 ISBN: https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1866 Washington, DC Heldref Publications, 2009 .
397 p. : 28 cm..

]]> Place hold on The Journal of Educational Research

]]> https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1866 ISBN: https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1795 Washington, DC : Heldref Publications, 2007 .
262 p. : 28 cm..

]]> Place hold on The Journal of Educational Research

]]> https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1795 ISBN: https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1292 Washington, DC : Heldref Publications, 2009 .
239 p. : 28 cm..

]]> Place hold on The Journal of Educational Research

]]> https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1292 ISBN: https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1213 Washington, DC : Heldref Publications, 2007 .
62 p. : 28 cm..

]]> Place hold on The Journal of Educational Research

]]> https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=1213 ISBN: https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=2951 Washington, DC : Heldref Publications, 2008 .
159 p. : 28 cm..

]]> Place hold on The Journal of Educational Research

]]> https://opac.ocplibrary.ph/cgi-bin/koha/opac-detail.pl?biblionumber=2951