Ibrahim, R., S. Hilles, S. Adam, M. Jamous, and W. Yafooz. “AN EVALUATION OF E-GOVERNMENT SERVICE USAGE IN THE FEDERAL REPUBLIC OF NIGERIA”. International Journal on Contemporary Computer Research (IJCCR), Vol. 1, no. 2, Aug. 2017, pp. 8-12, http://ojs.mediu.edu.my/index.php/IJCCR/article/view/493.