Panturat, T., and R. 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, vol. 10, no. 3, Dec. 2025, pp. 66-79, https://so03.tci-thaijo.org/index.php/saketreview/article/view/292564.