Porntumaruk, Petchnapa. “ROAD SAFETY AND PREVENTION POLICY IN THE UPPER REGION OF NORTHERN THAILAND”. Journal of Buddhist Anthropology 7, no. 11 (November 30, 2022): 162–178. accessed August 29, 2026. https://so04.tci-thaijo.org/index.php/JSBA/article/view/262100.