Sholehah, Nurul Avriyanti, Yul Tito Permadhy, and Fitri Yetty. 2020. “The Comparison of Optimal Portfolio Formation Analysis With Single Index Model and Capital Asset Pricing Model in Making Investment Decision”. European Journal of Business and Management Research 5 (4). https://doi.org/10.24018/ejbmr.2020.5.4.470.