?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Siti+Farina+Sheikh+Mohamed%2C+&rft.aulast=Siti+Farina+Sheikh+Mohamed&rft.date=13+July+2008&rft.title=The+Effects+of+Pre-Instructional+Support+on+ODL+Learners+in+a+Blended+Learning+Environment+on+the+Learning+of+Mathematics+&rft.genre=proceeding