Akpomrere, O. R., and O. Nyorere. “Bus Rapid Transit (BRT) and Railway Transport System in Lagos: Geographic Information System Approach”. International Journal of Economic Development Research and Investment (IJEDRI), vol. 4, no. 1, Apr. 2013, pp. 53-63, http://icidr.org.ng/index.php/Ijedri/article/view/827.