ANALISIS PORTOFOLIO OPTIMAL MENGGUNAKAN MODELMARKOWITZ DALAM PENGAMBILAN KEPUTUSAN INVESTASI. Jurnal Intelek Dan Cendikiawan Nusantara, [S. l.], v. 2, n. 3, p. 4150–4154, 2025. Disponível em: https://jicnusantara.com/index.php/jicn/article/view/4371. Acesso em: 25 jul. 2026.