Mulya, Yudhia, and Herdiyana . “Optimal Portfolio Construction Using Single Index Model: A Comparative Study of Largest Market Capitalization and Most Active Trading Volume Stocks”. International Journal of Engineering & Technology 7, no. 3.20 (September 1, 2018): 553–558. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/22940.