?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=EDY+EDUARD+TIVEN&rft.au=22043567%2C+EDY+EDUARD+TIVEN&rft.aulast=22043567&rft.tpages=33&rft.inst=Universitas+Kristen+Duta+Wacana&rft.degree=Final+Year+Projects+(S1)&rft.title=STUDI+LITERATUR+PERBANDINGAN+OPERATOR+ROBERT%2C+OPERATOR+PREWITT+DAN+OPERATOR+SOBEL+DALAM+OBJECT+RECOGNITION+SISTEM+CITRA&rft.date=February+2013