?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=BAYHAQI+310097013%2C+ROYYAN&rft.aulast=BAYHAQI+310097013&rft.aufirst=ROYYAN&rft.date=10+September+2002&rft.degree=Other&rft.tpages=85&rft.inst=INSTITUT+TEKNOLOGI+NASIONAL+yOGYAKARTA&rft.title=Perencanaan+dan+pembutan+filter+audio+untuk+telepon