Zamzami, E. M., Hayanti, S. and Nababan, E. B. (2021) “Diagonal Based Feature Extraction and Backpropagation Neural Network in Handwritten Batak Toba Characters Recognition”, Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control, 6(2). doi: 10.22219/kinetik.v6i2.1212.