?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Hendra&rft.aulast=Lazim&rft.au=Lazim%2C+Hendra&rft.inst=Universitas+Negeri+Padang&rft.title=Pengembangan+Media+Pembelajaran+Berbasis+Komputer+Model+Tutorial+Interaktif+pada+Materi+Trigonometri+di+Kelas+X+SMA&rft.degree=Masters%2FTesis&rft.date=20+March+2013