นิลสาคู ว.; วงศฺธนวสุ ศ. Knowledge Understanding and practice related to traffic sign of high school students in Khon Kaen municipality, khon Kaen Province. Local Administration Journal, [S. l.], v. 10, n. 4, p. 139–163, 2017. Disponível em: https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/116899. Acesso em: 15 may. 2024.