Is The Nigerian Stock Market Efficient? Pre and Post 2007-2009 Meltdown Analysis. Studia Universitatis Vasile Goldiș Arad, Seria Științe Economice, [S. l.], v. 29, n. 3, p. 38–63, 2019. Disponível em: https://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/595. Acesso em: 17 apr. 2026.