Harmaya, P. L., M. G. Suryanata, and K. Ibnutama. “COMPARISON CANNY AND SOBEL METHODS DETECTING EDGES OF DENTAL CARIES”. JURTEKSI (jurnal Teknologi Dan Sistem Informasi), Vol. 9, no. 4, Sept. 2023, pp. 647-54, doi:10.33330/jurteksi.v9i4.2565.