TJOLLENG, A.; MANURUNG, T. Analisis Portofolio dalam Investasi Saham Pada Pasar Modal. d\’Cartesian: Jurnal Matematika dan Aplikasi, [S. l.], v. 2, n. 2, p. 33–40, 2013. DOI: 10.35799/dc.2.2.2013.3434. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/decartesian/article/view/3434. Acesso em: 22 nov. 2024.