?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=MUHAMAD+RAMADHAN+%2C+NIM.+10650018&rft.aulast=MUHAMAD+RAMADHAN+&rft.aufirst=NIM.+10650018&rft.degree=Skripsi&rft.date=9+June+2014&rft.title=ANALISIS+PERBANDINGAN+METODE+PREWITT+DAN+SOBEL+PADA+PROSES+SEGMENTASI+CITRA+DIGITAL+&rft.inst=UIN+SUNAN+KALIJAGA