Minarni, Minarni, Khaira Rizka, Yuhendra Yuhendra, Dede Wira Trise Putra, and Indra Warman. “Penerapan Deteksi Sobel Berbasis Algoritma Backpropagation Pada Pengenalan Pola Huruf Vokal”. Jurnal Minfo Polgan 12, no. 2 (September 18, 2023): 1829-1839. Accessed July 27, 2024. https://jurnal.polgan.ac.id/index.php/jmp/article/view/13019.