U., I.-O. B., and I. N. J. “Understanding Individual Differences in Ability and Implications for Classroom Management in Primary Schools in Owerri Municipal Council of Imo State, Nigeria”. The International Journal of Humanities & Social Studies, vol. 3, no. 6, June 2015, https://internationaljournalcorner.com/index.php/theijhss/article/view/140141.