Bunrueang S, Janma C, Veeayannon K. Management Approach for Increasing the Competitiveness of Thai Transportation Service Business. RJPJ [internet]. 2021 Dec. 2 [cited 2026 Oct. 3];15(43):352-6. available from: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/255660