SAENGPROM, N. “KNOWLEDGE AND BEHAVIOR OF ACCIDENT PROTECTION IN OIL TRUCK DRIVER CASE STUDY: A COMPANY IN NAKHON RATCHASIMA PROVINCE”. Pathumthani University Academic Journal, vol. 13, no. 1, June 2021, pp. 174-85, https://so05.tci-thaijo.org/index.php/ptujournal/article/view/249413.