ANDI AYUNINSIH; AKBAR, Fajrul; ASTUTI, Astrid Indri; ANWAR, A. Naila. Perhitungan Expected Return dan Risiko untuk Menentukan Portofolio Efisien pada Perusahaan Keuangan di Bursa Efek Indonesia Menggunakan Model Markowitz. Journal of Mathematics, Statistics and Applications, [S. l.], v. 1, n. 1, p. 18–29, 2024. DOI: 10.61220/jmsa.v1i1.20241.519. Disponível em: https://journal.lontaradigitech.com/index.php/LJMSA/article/view/519. Acesso em: 9 dec. 2025.