?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=TINDANGEN+410014009%2C+ALFIANUR+CITRA&rft.aulast=TINDANGEN+410014009&rft.aufirst=ALFIANUR+CITRA&rft.inst=ITNY&rft.title=GEOLOGI+DAN+PENENTUAN+KUALITAS+BATUGAMPING+KALSILUTIT+DAN+TERUMBU+SEBAGAI+BAHAN+BAKU+SEMEN+DAERAH+BOTODAYAAN+DAN+SEKITARNYA%2C+KECAMATAN+RONGKOP%2C+KABUPATEN+GUNUNG+KIDUL%2C+DAERAH+ISTIMEWA+YOGYAKARTA&rft.date=12+January+2021&rft.degree=Other