Kitinapa Napakorn. (2005) Trends and factors related to road traffic fatal crash in Thailand using police databases. Mahidol University,:ม.ป.ท.Kitinapa Napakorn. 2005. Trends and factors related to road traffic fatal crash in Thailand using police databases. ม.ป.ท.:Mahidol University,;Kitinapa Napakorn. Trends and factors related to road traffic fatal crash in Thailand using police databases. ม.ป.ท.:Mahidol University, 2005. Print.