Fouad Ahmed A. A COMPARATIVE STUDY OF HUMAN FACES RECOGNITION USING PRINCIPLE COMPONENTS ANALYSIS AND LINEAR DISCRIMINANT ANALYSIS TECHNIQUES. J. eng. sustain. dev. 2016;20(5):1-12. Accessed June 13, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/711