EFFIONG, S. A.; ATTAH, S. E. Impact of Income Tax Rates on Tax Revenue in Nigeria: 1986 - 2015 in Focus. International Journal of Economic Development Research and Investment (IJEDRI), [S. l.], v. 7, n. 3, p. 147–164, 2016. Disponível em: http://icidr.org.ng/index.php/Ijedri/article/view/914. Acesso em: 22 nov. 2024.