S. Kadhm, Mustafa, Duaa Enteesha Mhawi, and Rana Mohammed H. Zaki. “An Accurate Handwritten Digits Recognition System Based on DWT and FCT”. Iraqi Journal of Science 58, no. 4B (November 29, 2021): 2200–2210. Accessed January 3, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5618.