Ayamah, R., & Darkwah, K. F. (2015). Factorial Design and Model for the Effect of National Road Safety Strategy Two (NRSS II). International Journal of Sciences: Basic and Applied Research (IJSBAR), 20(1), 192–207. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/3183