Aris Mattunruang A. Analisis Kinerja dan Risiko Portofolio Optimal Saham LQ-45 Menggunakan Single Index Model dan Capital Asset Pricing Model Periode 2018-2021. JIE [Internet]. 2022Dec.7 [cited 2025Oct.10];5(2):1-10. Available from: https://ojs.unpatompo.ac.id/index.php/jie/article/view/58