Okafor, Ifeoma P., Kofoworola A. Odeyemi, Duro C. Dolapo, Amobi L. Ilika, and Adenike O. Omosun. 2014. “Effectiveness of Road Safety Education in Nigeria Using a Quasi-Experimental Trial: Findings from the Road Safety Intervention Project”. Social and Health Sciences 12 (1). Pretoria, South Africa:1–17. https://unisapressjournals.co.za/index.php/SaHS/article/view/13763.