FAQIH, A.; HARIYANTO, W. Analysis of Optimal Portfolio Formation Using a Single Index Model on KLCI Malaysia Stocks for the 2017-2019 Period: Analisis Pembentukan Portofolio Optimal Dengan Model Indeks Tunggal Pada Saham KLCI Malaysia Periode 2017-2019. Academia Open, [S. l.], v. 5, p. 10.21070/acopen.5.2021.2395, 2021. DOI: 10.21070/acopen.5.2021.2395. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/2395. Acesso em: 23 sep. 2025.