KUMAGAI, Satoshi; FUJII, Ryusei. Constrained Minimum Variance Portfolio Considering Investors’ Environmental, Social, and Governance Preferences. International Journal of Economics and Financial Issues, [S. l.], v. 15, n. 5, p. 88–95, 2025. DOI: 10.32479/ijefi.19397. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/19397. Acesso em: 5 dec. 2025.