prayongyam, kanchana, and A. Thongprong. “The System Leadership Of School AdminIstrators Under The Primary Educational Service Area Office Pathumthani 1”. Mahachula Academic Journal, vol. 11, no. 3, Dec. 2024, pp. 558-73, https://so04.tci-thaijo.org/index.php/JMA/article/view/271131.