Radha Seelaboyina, Dr. Puja S Prasad, Dr. G Soma Sekhar,. 2020. “Dimensionality Reduction - Supervised and `unsupervised Approaches for Facial Recognition”. International Journal of Advanced Science and Technology 29 (3), 4993 - 5001. http://sersc.org/journals/index.php/IJAST/article/view/5718.