Lee, Ion KeiIon KeiLee31/12/200131/12/2001200120012001http://library-opac.usj.edu.mo/cgi-bin/koha/opac-detail.pl?biblionumber=135076&query_desc=kw%2Cwrdl%3A%20MEDhttps://dspace.usj.edu.mo/handle/123456789/4771enUniversity of Saint JosephThesis and Dissertations Master of Education (MED)Using technology to introduce trigonometry topics in high school mathematics: MuPad case studyMaster Thesis