?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Ardyani&rft.au=Tretya+%2C+Ardyani&rft.aulast=Tretya+&rft.inst=UNIVERSITAS+NEGERI+YOGYAKARTA&rft.title=ADSORPSI+ZAT+WARNA+METHYL+RED+MENGGUNAKAN+PASIR+VULKANIK+GUNUNG+MERAPI&rft.degree=S1&rft.date=4+October+2012