?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=22084449%2C+Andreas+Saputra&rft.aulast=22084449&rft.aufirst=Andreas+Saputra&rft.tpages=37&rft.title=KLASIFIKASI+SUARA+MANUSIA+KEDALAM+SOPRAN%2C+MEZZO+SOPRAN%2C+ALTO%2C+TENOR%2C+BARITON%2C+BASS+DENGAN+SELF+ORGANIZING+MAP&rft.degree=Bachelor&rft.inst=Universitas+Kristen+Duta+Wacana&rft.date=July+2014