Testing the Weak Form Efficiency of Karachi Stock Exchange. Pakistan Journal of Commerce and Social Sciences (ISSN 1997-8553), [S. l.], v. 6, n. 2, p. 297–307, 2012. Disponível em: https://jes.ac.pk/index.php/jes/article/view/569. Acesso em: 26 apr. 2026.