Vorada Thiangpungtham และผู้แต่งคนอื่นๆ. (2020) A STUDY ON PEDESTRIAN LIGHT SIGNALS IN THAILAND. <i>International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies</i>, <i>11</i>(4), 11A04R: 1-9.Vorada Thiangpungtham และผู้แต่งคนอื่นๆ. "A STUDY ON PEDESTRIAN LIGHT SIGNALS IN THAILAND". International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies 11 (2020):11A04R: 1-9.Vorada Thiangpungtham และผู้แต่งคนอื่นๆ. A STUDY ON PEDESTRIAN LIGHT SIGNALS IN THAILAND. TuEngr Group:ม.ป.ท. 2020.