?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=22074232&rft.aufirst=ALEXANDER+AGUNG+TARIGAN&rft.au=22074232%2C+ALEXANDER+AGUNG+TARIGAN&rft.date=June+2012&rft.inst=Universitas+Kristen+Duta+Wacana&rft.degree=Final+Year+Projects+(S1)&rft.title=IMPLEMENTASI+METODE+USER+CENTERED+DESIGN+PADA+APLIKASI+TUTORIAL+AKSARA+PUSTAHA+KARO&rft.tpages=87