Aris Mattunruang, Andi. “Analisis Kinerja Dan Risiko Portofolio Optimal Saham LQ-45 Menggunakan Single Index Model Dan Capital Asset Pricing Model Periode 2018-2021”. Jurnal Ilmiah Ekonometriks 5, no. 2 (December 7, 2022): 1–10. Accessed October 10, 2025. https://ojs.unpatompo.ac.id/index.php/jie/article/view/58.