PERRY , L. G.; EVANS , D. A.; LIU, P. Bond Rating Discrepancies and the Effect on Municipal Bond Yields. Financial Services Review, [S. l.], v. 1, n. 2, p. 181, 1991. DOI: 10.1016/1057-0810(91)90043-X. Disponível em: https://openjournals.libs.uga.edu/fsr/article/view/3690. Acesso em: 3 jul. 2024.