1. World report on road traffic injury prevention: summary, http://www.who.int/world-healthday/2004/infomaterials/world_report/en/summary_en_rev.pdf, (July 24, 2004). (2004).
2. Pan American Health Organization (PAHO). http://www.paho.org/English/DD/PIN/whd04_main.htm, (July 24,2004). (2004).
3. The Status of Road Safety in Thailand;Tanaboriboon,2004
4. Safer Roads: A Guide to Road Safety Engineering;Ogden,2002
5. Traffic Accident Study: Thailand and Japan Experiences;Tanaboriboon,1997