AFRIYANTI, A.; BINANGKIT, I. D.; HARDILAWATI, W. L. Analisis Portofolio Saham Optimal Model Markowitz Pada Jakarta Islamic Indeks (JII) Tahun 2016-2020. ECOUNTBIS: Economics, Accounting and Business Journal, [S. l.], v. 1, n. 1, p. 57–72, 2021. Disponível em: https://jom.umri.ac.id/index.php/ecountbis/article/view/248. Acesso em: 17 apr. 2024.