Ozor, P. A., and C. G. Ozoegwu. “Comparison of Multiple Linear and Quadratic Models in Estimating Road Crashes in Semi-Urban Two-Lane Roads: Case Study of Nsukka Municipal Council, South Eastern Nigeria”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 16, no. 4 (December 7, 2020): 637-650. Accessed October 22, 2021. https://azojete.com.ng/index.php/azojete/article/view/365.