Achugbu , Austine A., and Joseph A. Nduka,. “ Relationship Between Major Stock Market Indices and Economic Growth in Selected Market Economies. A Study of Emerging Economies ”. African Journal of Education,Science and Technology (AJEST), vol. 3, no. 3, May 2017, pp. pp 139-146, http://ajest.org/index.php/ajest/article/view/576.