?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Ulum&rft.aulast=Muzaqqiyatul&rft.au=Muzaqqiyatul%2C+Ulum&rft.date=3+September+2010&rft.degree=S1&rft.inst=UNY&rft.title=PENGARUH+KEASAMAN+AIR+TERHADAP+KELARUTAN+LOGAM+DALAM+MINERAL+MONTMORILONIT+