Jhonni Sinaga, Aurlia Hayatunisa, Supriyanto Supriyanto. Single Index Model dalam Pemilihan Saham Optimal. SAMMAJIVA [Internet]. 2024 Jul. 31 [cited 2025 Jan. 23];2(3):135-54. Available from: https://e-journal.nalanda.ac.id/index.php/SAMMAJIVA/article/view/1190