?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Nikarta+Jana+Barus&rft.au=22043718%2C+Nikarta+Jana+Barus&rft.aulast=22043718&rft.title=PENGENALAN+POLA+DENGAN+KOMBINASI+ALGORITMA+SOBEL+DAN+BACKPROPAGATION&rft.date=June+2011&rft.degree=Final+Year+Projects+(S1)&rft.inst=Universitas+Kristen+Duta+Wacana