Martbundit, Chanidapa. “The Effectiveness of the Development of Basic First Aid for Occupational Accidents Among Employees in Udon Thani Province Workplaces”. Journal of Medicine and Public Health, Ubon Ratchathani University 4, no. 3 (December 21, 2021): 186–193. Accessed May 6, 2024. https://he01.tci-thaijo.org/index.php/jmpubu/article/view/252089.