?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=ISNANTO+FARID&rft.au=R.+BURHAN%2C+ISNANTO+FARID&rft.aulast=R.+BURHAN&rft.inst=UNY&rft.title=KNOWLEDGE+BASE+AND+INFERENCE+ENGINE+OF+EXPERT+SYSTEM&rft.date=2002&rft.degree=S1