Pinsagul, P., M. Ketmek, P. Phrommeenet, P. Chantorn, P. Sriuan, S. Intawong, and C. Charoensup. “Guidelines for Enhancing the Efficiency of Personnel Management in Schools under the Secondary Educational Service Area Office Phichit”. Journal of Dhamma for Life, vol. 32, no. 2, Mar. 2026, pp. 399-13, https://so08.tci-thaijo.org/index.php/dhammalife/article/view/5454.