Chuaysakun, Warakorn, and Thitirat Thawornsujaritkul. 2022. “Safety Management in Workplace for Operational Level Employees of Petrochemicals Industries in the Eastern Economic Corridor (EEC) Zone”. Journal of Industrial Business Administration 4 (1):60-73. https://so03.tci-thaijo.org/index.php/iba/article/view/261997.