GUO, Z.-Y. Order Flow and Exchange Rate Dynamics in Continuous Time: New Evidence from Martingale Regression. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 2, p. 507–512, 2017. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/4190. Acesso em: 26 apr. 2024.