Channagoudar, Savita, and Dr Srikanta Murthy k. “Efficient Feature Extraction for Face Recognition With Combined Method of PCA and GMM”. International Journal of Engineering and Technology 7, no. 3.34 (April 19, 2026): 766–769. Accessed June 30, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/19471.