?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Kholid&rft.au=Kholid%2C+Hanafi+Idham&rft.aufirst=Hanafi+Idham&rft.inst=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam+UNY&rft.title=EFEKTIVITAS+ZEOLIT+ALAM+UNTUK+MENURUNKAN+KADAR+BESI+DALAM+AIR+SUMUR+DI+DESA+DINOTIRTO%2C+KRETEK%2C+BANTUL&rft.date=12+October+2015&rft.degree=S1