Aziz, Abdul, and Mohammad Farhan Qudratullah. “Best-Beta CAPM (BCAPM) Optimal Portfolio Performance Using EROV, Sortino, and M2 Methods”. Kaunia: Integration and Interconnection Islam and Science Journal 17, no. 1 (September 15, 2021): 27–31. Accessed July 19, 2024. https://ejournal.uin-suka.ac.id/saintek/kaunia/article/view/3041.