Mansor, A. ., A. . Darus, and M. H. . Dali. “Mediating Effect of Self-Efficacy on Self-Leadership and Teachers’ Organizational Citizenship Behavior: A Conceptual Framework”. International Journal of Economics, Business and Management Studies, vol. 2, no. 1, Apr. 2013, pp. 1-11, http://onlinesciencepublishing.com/index.php/ijebms/article/view/295.