Pongrid Klungboonkrong และผู้แต่งคนอื่นๆ. (2019) Road safety status and analysis in Thailand and other Asian countries. <i>Engineering and Applied Science Research</i>, <i>46</i>(4), 340-348.Pongrid Klungboonkrong และผู้แต่งคนอื่นๆ. "Road safety status and analysis in Thailand and other Asian countries". Engineering and Applied Science Research 46 (2019):340-348.Pongrid Klungboonkrong และผู้แต่งคนอื่นๆ. Road safety status and analysis in Thailand and other Asian countries. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2019.