Chaiprasoet, C., and N. Waichompu. “21st Century Administrative Skills of School Administrators Under the Songkhla Provincial Office of Learning Encouragement”. Journal of Graduate Saket Review, vol. 9, no. 2, Aug. 2024, pp. 236-53, https://so03.tci-thaijo.org/index.php/saketreview/article/view/278723.