Phongphan Tankasem และผู้แต่งคนอื่นๆ. (2015) An evaluation of speed limit measure: A case of the Mittraphap highway passing through Khon Kaen city. <i>KKU Engineering Journal</i>, <i>42</i>(2), 135-144.Phongphan Tankasem และผู้แต่งคนอื่นๆ. "An evaluation of speed limit measure: A case of the Mittraphap highway passing through Khon Kaen city". KKU Engineering Journal 42 (2015):135-144.Phongphan Tankasem และผู้แต่งคนอื่นๆ. An evaluation of speed limit measure: A case of the Mittraphap highway passing through Khon Kaen city. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2015.