Aprilia, Ajeng Defi, Ade Ali Nurdin, and Muhamad Umar Mai. 2021. “Analisis Pembentukan Portofolio Optimal Dan Penentuan Nilai Risiko Pada Saham Syariah”. Journal of Applied Islamic Economics and Finance 1 (2), 487-98. https://doi.org/10.35313/jaief.v1i2.2480.