Tobing, A. S. L., N. A. Fitri, Q. F. Ajmilia, and I. Sadalia. “Optimal Portfolio Analysis of LQ-45 Stocks Based on Capital Asset Pricing Model”. West Science Business and Management, vol. 2, no. 04, Nov. 2024, pp. 1101-13, doi:10.58812/wsbm.v2i04.1443.