Jibanpriya Devi, Laiphrakpam, and J L Mazher Iqbal. “Efficient Technique to Estimate Age Using PCA & Multi SVM Classification”. International Journal of Engineering and Technology 7, no. 1.2 (December 28, 2017): 81–84. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/8999.