Tassana Boonyoo และผู้แต่งคนอื่นๆ. (2021) Understanding relationship between road median type and accident frequency. <i>Engineering and Applied Science Research</i>, <i>48</i>(4), 466-475.Tassana Boonyoo และผู้แต่งคนอื่นๆ. "Understanding relationship between road median type and accident frequency". Engineering and Applied Science Research 48 (2021):466-475.Tassana Boonyoo และผู้แต่งคนอื่นๆ. Understanding relationship between road median type and accident frequency. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2021.