?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Fitriani&rft.au=Fitriani%2C+Marista+Nur&rft.aufirst=Marista+Nur&rft.inst=Universitas+Pakuan&rft.degree=Skripsi&rft.date=7+July+2017&rft.title=PERBEDAAN+MODEL+PEMBELAJARAN+PROBLEM+BASED+LEARNING+(PBL)+DAN+MODEL+PEMBELAJARAN+PROBLEM+BASED+INTRODUCTION+(PBI)+TERHADAP+HASIL+BELAJAR+KOGNITIF+IPA