Nootongkaew, Chontida. 2025. “Virtues Of the King in Educational Administrators Affecting the Effectiveness of Schools Under Cluster 1 Of the Secondary Educational Service Area Office Nakhon Si Thammarat”. Journal of Dhamma for Life 31 (4):518-37. https://so08.tci-thaijo.org/index.php/dhammalife/article/view/5484.