1. World Health organization. (2004). World report on road traffic injury prevention. Geneva: WHO.
2. World Health organization. (2011). Saving millions of lives. Decade of action for road safety 2011–2020. Geneva: WHO.
3. Global Road Safety Partnership. (2008). Speed management: A road safety manual for decision-makers and practitioners. Geneva: Global Road Safety Partnership.
4. Vafaee-Najar, A., Esmaeili, H., Ibrahimipour, H., et al. (2010). Motorcycle fatal accidents in Khorasan Razavi Province, Iran. Iranian Journal of Public Health, 39, 95–101.
5. Muller, A. (2004). Florida’s motorcycle helmet law repeal and fatality rates. Andreas. American Journal of Public Health, 94, 556–558.