?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Zainal+Arifin%2C+-&rft.aulast=Zainal+Arifin&rft.aufirst=-&rft.inst=Universitas+Pendidikan+Indonesia&rft.degree=S1&rft.title=STUDI+KOMPARASI+PREPARASI+MEMBRAN+KITOSAN+%E2%80%93+GLUTARALDEHIDA+DENGAN+METODE+KRYOGENIK+DAN+METODE+PRESIPITASI&rft.date=27+February+2009