Wicha, Kotchaphon, and Supawadee Lapcharoen. 2024. “Soft Skills of School Administrators in the Secondary Educational Service Area Office Samut Prakan”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 12 (1):44-57. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/270180.