?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=SIGIT+HARTANTO+PURNOMO+-+NIM.+05630001%2C+&rft.aulast=SIGIT+HARTANTO+PURNOMO++-++NIM.+05630001&rft.aufirst=+&rft.degree=Skripsi&rft.date=22+February+2010&rft.title=VARIASI+KONSENTRASI+DAN+JENIS+PELARUT+DALAM+PROSES+HIDROLISIS+LIMBAH+PADAT+(SHAVING)+SISA+PENYAMAKAN+KULIT&rft.inst=UIN+Sunan+Kalijaga+Yogyakarta