?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Huda&rft.au=Huda%2C+Fahrudin+Alfi&rft.aufirst=Fahrudin+Alfi&rft.inst=PGSD&rft.degree=S1&rft.date=1+December+2016&rft.title=PENINGKATAN+HASIL+BELAJAR+IPS+MELALUI+MODEL+PROBLEM+BASED+INSTRUCTIONI(PBI)+DENGAN+MEDIA+GAMBAR+PADA+SISWA+KELAS+IV+SDN+TUKANGAN