CLOTFELTER , C.; FEENBERG, D. Regional Bias in Federal Tax Subsidy Rates for Giving? . Financial Services Review, [S. l.], v. 1, n. 2, p. 184, 1991. DOI: 10.1016/1057-0810(91)90053-2. Disponível em: https://openjournals.libs.uga.edu/fsr/article/view/3699. Acesso em: 3 jul. 2024.