ANALISIS PORTOFOLIO OPTIMAL MENGGUNAKAN MODEL INDEKS TUNGGAL (SINGLE INDEX MODEL) PADA SAHAM INDEKS LQ45. Musytari : Jurnal Manajemen, Akuntansi, dan Ekonomi, [S. l.], v. 19, n. 2, p. 1–10, 2025. DOI: 10.2324/g1dnj695. Disponível em: https://ejournal.cahayailmubangsa.institute/index.php/musytari/article/view/1932. Acesso em: 5 jul. 2025.