BAGUS YOSIA WIRYAKUSUMA, I Gusti. Analysis of Optimal Portfolio Performance Comparison on Companies Listed in LQ45 Index and Companies Unregistered in LQ45 Index. KnE Social Sciences, [S. l.], v. 4, n. 3, p. 250–261, 2020. DOI: 10.18502/kss.v4i3.6410. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/6410. Acesso em: 1 jul. 2025.