Diversification of Jakarta Islamic Index (JII) Stock Optimal Portfolio for the Period 2018-2023. J Statistika: Jurnal Ilmiah Teori dan Aplikasi Statistika, [S. l.], v. 16, n. 2, p. 585–593, 2023. DOI: 10.36456/jstat.vol16.no2.a8339. Disponível em: https://jurnal.unipasby.ac.id/jstatistika/article/view/8339. Acesso em: 23 jul. 2026.