Daniel Hailemariam Kassa. “A Road Trafic Speed-Accidents Optimization Model”. International Journal of Emerging Trends in Science and Technology 3, no. 12 (December 31, 2016): 4919-4922. Accessed July 1, 2024. https://igmpublication.org/ijetst.in/index.php/ijetst/article/view/1384.