FEBRIANTI, Werry; SUMARTI, Novriana; NASUTION, Achmad Suryadi; FITRIAWATI, Andi; SIREGAR, Desi Era P; S, Yolanda Sari. Optimizing ESG-Constrained Mean-Variance Portfolio using Spiral Optimization Algorithm. Journal of Multidisciplinary Applied Natural Science, Metro, Indonesia, v. 6, n. 2, p. 1146–1159, 2026. DOI: 10.47352/jmans.2774-3047.381. Disponível em: https://journal.pandawainstitute.com/index.php/jmans/article/view/381. Acesso em: 30 jun. 2026.