1. International Labor Organization. World Statistic: The enormous burden of poor working conditions. January 5. 2023. https://www.ilo.org/moscow/areas-of-work/occupational-safety-and-health/WCMS_249278/lang--en/index.htm
2. Knipling RR. Evidence and dimensions of commercial driver differential crash risk. 2005.
3. Mehrdad R et al. Epidemiology of occupational accidents in Iran based on social security organization database. Iran Red Crescent Med J, 2014. 16(1).
4. alizadeh ss, et al. A comprehensive review of studies of occupational accidents since the beginning of 1380 to the end of 1393 in Iran: a systematic review. Iran Occup Health J. 2017;14(1):93–113.
5. Gomes RF, et al. Safety at work: a complex or an exceedingly simple matter? Reliability: Theory Appl. 2022;17(1):267–87.