AYENEW, W. . Determinants of Tax Revenue in Ethiopia (Johansen Co-Integration Approach). International Journal of Business, Economics and Management, [S. l.], v. 3, n. 6, p. 69–84, 2016. DOI: 10.18488/journal.62/2016.3.6/62.6.69.84. Disponível em: https://archive.conscientiabeam.com/index.php/62/article/view/1159. Acesso em: 22 jul. 2024.