?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=ULFA+DINA+RAMADHANY%2C+NIM.+10680042&rft.aulast=ULFA+DINA+RAMADHANY&rft.aufirst=NIM.+10680042&rft.degree=Skripsi&rft.date=26+January+2015&rft.title=PENGEMBANGAN+MULTIMEDIA+INTERAKTIF+PENCEMARAN+UDARA+UNTUK+SISWA+KELAS+X+SEMESTER+II+SMA%2FMA&rft.inst=UIN+SUNAN+KALIJAGA+YOGYAKARTA