อุทัยเสวก อรรยา, and คล้ายมี ณปกร. 2018. “The Cause of employee’s Job Stress in the Petrochemical Industry Located in Rayong”. Journal of Rattana Bundit University 12 (2):24-37. https://so03.tci-thaijo.org/index.php/rbac/article/view/224827.