?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Vitki+Febrianto%2C+NIM.+13680033&rft.aulast=Vitki+Febrianto&rft.aufirst=NIM.+13680033&rft.degree=Skripsi&rft.date=26+October+2017&rft.title=PENGARUH+MODEL+PEMBELAJARAN+PROBLEM+BASED+LEARNING+TERHADAP+MOTIVASI+DAN+HASIL+BELAJAR+SISWA+DI+MAN+4+BANTUL&rft.inst=UIN+Sunan+Kalijaga&rft.tpages=211