MORALES SANCHEZ, Lucy Tanya. Utilization of the futures and options in the Ecuadorian Financial Market. Ecuadorian Science Journal, [S. l.], v. 2, n. 2, p. 13–16, 2018. DOI: 10.46480/esj.2.2.17. Disponível em: https://journals.gdeon.org/index.php/esj/article/view/17.. Acesso em: 20 sep. 2025.