ANGGRAENI, R T. Optimizing Financing Sharia Bank Through the Formation of Optimal Portfolio with Single Index Model. KnE Social Sciences, [S. l.], v. 3, n. 8, p. 255–275, 2018. DOI: 10.18502/kss.v3i8.2513. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/2513. Acesso em: 11 oct. 2025.