?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=-&rft.au=Yuyun+Yunita+Utami%2C+-&rft.aulast=Yuyun+Yunita+Utami&rft.degree=S1&rft.date=27+February+2009&rft.inst=Universitas+Pendidikan+Indonesia&rft.title=RANCANG+BANGUN+SISTEM+DIREKTORAT+GERAK+SENSOR+ULTRASONIK+(DGSU)+BERBASIS+MIKROKONTROLER