Adaobi , Onuselogu, P, and Ughamadu, F. Uju. “ Management Mechanisms and Teacher Education for Sustainable Development in Nigeria ”. African Journal of Education,Science and Technology (AJEST), vol. 3, no. 1, Jan. 2016, pp. Pg 101-109, http://ajest.org/index.php/ajest/article/view/218.