Alkhaledi, Khaled, and Doraid Dalalah. “An Optimization Model for Risk Minimization in Stock Portfolio Selection”. International Journal of Industrial Engineering: Theory, Applications and Practice 32, no. 5 (October 10, 2025). Accessed April 25, 2026. https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/10833.