Lawilai , P. and วงษ์วัฒนพงษ์ ก. (2024) “Implementation of road safety policies at local level”, Journal of Modern Learning Development, 9(12), pp. 704–720. available at: https://so06.tci-thaijo.org/index.php/jomld/article/view/279889 (accessed: 11 October 2026).