AFEGO, P. Weak Form Efficiency of the Nigerian Stock Market: An Empirical Analysis (1984 – 2009). International Journal of Economics and Financial Issues, [S. l.], v. 2, n. 3, p. 340–347, 2012. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/143. Acesso em: 25 may. 2022.