VIYYANNA RAO, K.; MARUTHI VARAPRASAD, A. Rating of Debt Instruments - A Model for Evaluation. Indian Journal of Finance, [S. l.], v. 5, n. 10, p. 4–12, 2011. Disponível em: https://indianjournaloffinance.co.in/index.php/IJF/article/view/72476. Acesso em: 18 oct. 2025.