ETUK, I. E.; JAMES, T. O.; ASARE, B. K. Fractional Cointegration Analysis of Fisher Hypothesis in Nigeria. Asian Journal of Applied Sciences, [S. l.], v. 2, n. 1, 2014. Disponível em: https://ajouronline.com/index.php/AJAS/article/view/383. Acesso em: 23 apr. 2024.