Abdul-Haleem, Mela G. “Offline Handwritten Signature Verification Based on Local Ridges Features and Haar Wavelet Transform”. Iraqi Journal of Science 63, no. 2 (February 27, 2022): 855–865. Accessed December 6, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4729.