BERNAT , T. .; RUSZKIEWICZ, R. . Hedging the investment portfolio with derivatives present on the Polish market. Managerial Economics, [S. l.], v. 24, n. 1, p. 7, 2024. DOI: 10.7494/manage.2023.24.1.7. Disponível em: https://journals.agh.edu.pl/manage/article/view/5968. Acesso em: 9 may. 2024.