อุทัยเสวก อ., and คล้ายมี ณ. “The Cause of employee’s Job Stress in the Petrochemical Industry Located in Rayong”. Journal of Rattana Bundit University, vol. 12, no. 2, Apr. 2018, pp. 24-37, https://so03.tci-thaijo.org/index.php/rbac/article/view/224827.