SURYANI, Suryani; PRATIWI, Aguspita; HENDRA K, Joni. Pembetukan Portofolio Optimal Menggunakan Model Indeks Tunggal Perusahaan Perbankan pada Indeks IDX30 di BEI Periode 2020. Journal of Accounting Law Communication and Technology, [S. l.], v. 1, n. 2, p. 838–845, 2024. DOI: 10.57235/jalakotek.v1i2.2661. Disponível em: https://rayyanjurnal.com/index.php/JALAKOTEK/article/view/2661. Acesso em: 21 may. 2026.