?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=FERDIMAN&rft.au=FERDIMAN%2C+FERDIMAN&rft.aufirst=FERDIMAN&rft.inst=Sekolah+Tinggi+Teknologi+Dumai&rft.tpages=4&rft.date=20+September+2023&rft.degree=Other&rft.title=PENGOLAHAN+CITRA+DIGITAL+MOTIF+SONGKET+RIAU+MENGGUNAKAN+METODE+DETEKSI+TEPI+SOBEL+DAN+ROBERT