?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=RICHARD+STEPHENSEN+GRACE+PRADANA&rft.au=22094771%2C+RICHARD+STEPHENSEN+GRACE+PRADANA&rft.aulast=22094771&rft.inst=Universitas+Kristen+Duta+Wacana&rft.title=PROTOTIPE+KERAN+DISPENSER+OTOMATIS+BERBASIS+MIKROKONTROLER+MENGGUNAKAN+SENSOR+FOTODIODA+DAN+SENSOR+ULTRASONIK+PING&rft.degree=Bachelor&rft.tpages=51&rft.date=February+2014