Yuningsih Wagafir, Yayu Isyana Pongoliu and Herlina Rasjid (2022) “Analisis Penerapan Metode Single Index Model dan Constant Correlation Model dalam Optimalisasi Portofolio Saham Indeks LQ-45 di Bursa Efek Indonesia (BEI) Periode 2019-2021”, Islamic Economics and Finance Journal, 1(2), pp. 93–113. doi: 10.55657/iefj.v1i2.40.