PERANGIN-ANGIN, R.; HARIANJA, E. J. G. Comparison Detection Edge Lines Algoritma Canny dan Sobel. Jurnal TIMES, [S. l.], v. 8, n. 2, p. 35–42, 2020. Disponível em: https://ejournal.stmik-time.ac.id/index.php/jurnalTIMES/article/view/616. Acesso em: 21 sep. 2021.