Paechon A, Chunhasiwong K. Competency Develop Guideline for Operational Employees in Industrial Estate in Chonburi Province. IARJ [internet]. 2023 Aug. 3 [cited 2026 Aug. 28];3(4):463-80. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/269234