?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Barlian%2C+Yelly+Andrian&rft.aufirst=Yelly+Andrian&rft.aulast=Barlian&rft.date=13+January+2015&rft.inst=Universitas+Pendidikan+Indonesia&rft.degree=S2&rft.title=INVESTIGATING+STUDENTS%E2%80%99+LEARNING+MOTIVATION+IN+PROJECT-BASED+LEARNING