Tongkam, P., and S. Supapong. “The Prevalence of Work Stress and Related Factors among Workers in an Auto-Part Manufacturing Factory”. Journal of Preventive Medicine Association of Thailand, vol. 14, no. 2, Aug. 2024, pp. 230-45, https://he01.tci-thaijo.org/index.php/JPMAT/article/view/270760.