RAGAINAGA, Kezia; KEKENUSA, John; MANANOHAS, Mans. Diversifikasi Portofolio Saham Model Mean Variance Markowitz Dengan Metode Lagrange. d’Cartesian, [S. l.], v. 14, n. 1, p. 79–83, 2025. DOI: 10.35799/dc.14.1.2025.61371. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/decartesian/article/view/61371. Acesso em: 11 jan. 2026.