TRISTANTO, T. A.; DESTIANA, D. ANALISIS PORTOFOLIO OPTIMAL DENGAN PENDEKATAN MODEL INDEKS TUNGGAL PADA SAHAM IDX30 DI BURSA EFEK INDONESIA. Mediastima, [S. l.], v. 26, n. 2, p. 223–239, 2020. DOI: 10.55122/mediastima.v26i2.130. Disponível em: https://ejournal-ibik57.ac.id/index.php/mediastima/article/view/130. Acesso em: 11 oct. 2025.