Title: Kānronnarong kānsūam mūak niraphai nai phūchai rot čhakkrayānyon læ kānkhāt khemkhat niraphai nai phūkhap læ phūnang tō̜n nā khō̜ng rotyon nai khēt thētsabān Nakhō̜n Khō̜n Kǣn, 2544-2545
Description: A research on the safety of drivers in Khon Kaen Province, Thailand.