NASTHASYA N, Yozza H, DEVIANTO D. MODEL CAPITAL ASSET PRICING MODEL (CAPM) DALAM PEMBENTUKAN PORTOFOLIO OPTIMAL SAHAM JAKARTA ISLAMIC INDEX (JII). Jurnal Matematika UNAND [Internet]. 2023 Oct. 21 [cited 2026 Nov. 3];12(4):299-308. Available from: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/1032