SAPUTRA, Keysha Salsabila; RIZAL, Nora Amelda; KRISNAWATI, Astire. Optimal Portfolio Analysis of Listed Companies in IDX 30. KnE Social Sciences, [S. l.], v. 9, n. 14, p. 787–798, 2024. DOI: 10.18502/kss.v9i14.16144. Disponível em: http://thrillriftranks.com/index.php/KnE-Social/article/view/16144. Acesso em: 6 feb. 2025.