PRATAMA, Luthfi. ANALISIS PEMBENTUKAN PORTOFOLIO SAHAM OPTIMAL MENGGUNAKAN METODE SINGLE INDEX MODEL (Studi Empiris pada Saham Indeks LQ 45 di Bursa Efek Indonesia). JURNAL ILMU MANAJEMEN, [S. l.], v. 16, n. 1, p. 48–60, 2019. DOI: 10.21831/jim.v16i1.25064. Disponível em: https://journal.uny.ac.id/index.php/jim/article/view/25064. Acesso em: 25 may. 2025.