Zamzami EM, Hayanti S, Nababan EB. Diagonal Based Feature Extraction and Backpropagation Neural Network in Handwritten Batak Toba Characters Recognition. KINETIK [Internet]. 2021May31 [cited 2024Apr.26];6(2). Available from: https://kinetik.umm.ac.id/index.php/kinetik/article/view/1212