Aqeel-ur-Rehman, Sadiq Ur Rehman, Z. H. Babar, M. K. Qadeer, and F. A. Seelro. “Offline Signature Recognition and Verification System Using Artificial Neural Network”. University of Sindh Journal of Information and Communication Technology , Vol. 2, no. 1, Jan. 2018, pp. 73-80, https://sujo.usindh.edu.pk/index.php/USJICT/article/view/512.