Panturat, Thitirat, and Rujirapun Kongchuay. “The Relationship between Transformational Leadership and the 21st-Century Management Skills of School Administrators under the Krabi PrimaryEducational Service Area Office”. Journal of Graduate Saket Review 10, no. 3 (December 31, 2025): 66–79. accessed September 13, 2026. https://so03.tci-thaijo.org/index.php/saketreview/article/view/292564.