IHENSEKHIEN, O. A.; MAYUKU, J. G. Government expenditures in Nigeria: Re-examination of Wagner’s law. Journal of Economics and Political Economy, [S. l.], v. 6, n. 2, p. 143–158, 2019. Disponível em: https://journals.econsciences.com/index.php/JEPE/article/view/1874. Acesso em: 28 jan. 2026.