Jibir, A.; Abdu, M.; Buba, A.; Bello, F.; Hassan, A.A.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)
Abdullahi, S.; Jibir, A.(4th International Conference on Social Sciences 2018, Research Centre for Social Sciences, Faculty of Social Sciences, University of Kelaniya, Sri Lanka, 2018)