Olusina, J. O., and M. Kola-Adefemi. “A 3D Visualization of Transportation Corridor: An Effective Tool in Pre-Analysis of Engineering Project”. Journal of Engineering Research 21, no. 2 (February 28, 2019): 69-79. Accessed April 29, 2024. http://jer.unilag.edu.ng/article/view/292.