?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Ratna%2C+Dwi+Wulandari&rft.aufirst=Dwi+Wulandari&rft.aulast=Ratna&rft.inst=UNY&rft.degree=S1&rft.date=16+September+2010&rft.title=PENGARUH+IMPREGNAN+ALUMINA+PADA+KEMAMPUAN+ADSORPSI+KITOSAN+TERHADAP+ION+NIKEL(II)+