DE LUCA, P. Debt Level and the Firm Levered Cost of Capital. International Journal of Economics and Financial Issues, [S. l.], v. 7, n. 5, p. 475–484, 2017. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/5347. Acesso em: 18 may. 2022.