?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=PURWOKO%2C+NIM.05140038&rft.aulast=PURWOKO&rft.aufirst=NIM.05140038&rft.degree=Skripsi&rft.date=4+September+2007&rft.title=PERILAKU+INFORMASI+PEMAKAI+PERPUSTAKAAN+DI+PERPUSTAKAAN+TEKNIK+GEOLOGI+UNIVERSITAS+GADJAH+MADA+YOGYAKARTA&rft.inst=UIN+Sunan+Kalijaga