Hassan , Rammah Oday. “Beta Principal Component Regression Model With Application”. CENTRAL ASIAN JOURNAL OF MATHEMATICAL THEORY AND COMPUTER SCIENCES 6, no. 3 (June 18, 2025): 591-600. Accessed July 27, 2025. https://cajmtcs.centralasianstudies.org/index.php/CAJMTCS/article/view/787.