M. Fathan Amin, Novi Mubyarto, Erwin Saputra Siregar. Analisis Pembentukkan Portofolio Optimal Saham Menggunakan Pendekatan Single Index Model. EBISMAN [Internet]. 2024 Jun. 14 [cited 2024 Dec. 5];2(2):41-56. Available from: https://ejournal-nipamof.id/index.php/EBISMAN/article/view/398