Sohail Ahmed Memon, Imtiaz Ahmed, and Shoaibullah. “UNDERSTANDING PRINCIPAL COMPONENT ANALYSIS (PCA): A LINEAR ALGEBRA APPROACH TO DIMENSIONALITY REDUCTION”. Spectrum of Engineering Sciences, vol. 3, no. 4, Apr. 2025, pp. 993-9, https://www.sesjournal.com/index.php/1/article/view/548.