PHANTHUNANE, P.; PONGAJARN, C.; NUGBANLENG, P. Economic Evaluation of Transport Companies Which Operates in Accordance with the ISO39001 Road Safety Standard System. Journal of Business, Innovation and Sustainability (JBIS), [S. l.], v. 17, n. 2, 2022. Disponível em: https://so02.tci-thaijo.org/index.php/BECJournal/article/view/255190. Acesso em: 3 พ.ค. 2024.