DIAO, Pinwen; HUA, Yuxin. The Impact of Credit Ratings on Bond Credit Spreads. Frontiers in Economics and Management, [S. l.], v. 7, n. 4, p. 59–65, 2026. DOI: 10.6981/FEM.202604_7(4).0008. Disponível em: https://fieam.org/index.php/ojs/article/view/228. Acesso em: 17 apr. 2026.