A. Sultan, Shahad, and M. F. Ghanim. “Comprehensive Study and Evaluation of Commonly Used Dimensionality Reduction Techniques in Biometrics Field”. Al-Rafidain Engineering Journal (AREJ) 25, no. 2 (December 1, 2020): 152–163. Accessed August 7, 2025. https://ojs.uomosul.edu.iq/index.php/arej/article/view/26868.