ธรรมชัยชูศักดิ์ นิเวศ. “Preparation for the Competency Development of Truck Drivers for Support ASEAN Economic Community (AEC)”. Thai Interdisciplinary and Sustainability Review 4, no. 1 (December 7, 2019): 8–21. accessed September 4, 2026. https://so03.tci-thaijo.org/index.php/JIRGS/article/view/228223.