ธรรมชัยชูศักดิ์ น. Preparation for the Competency Development of Truck Drivers for Support ASEAN Economic Community (AEC). TISR [internet]. 2019 Dec. 7 [cited 2026 Sep. 4];4(1):8-21. available from: https://so03.tci-thaijo.org/index.php/JIRGS/article/view/228223