Chekphuakhom , Chitlada. “The Strategic Planning and the Student Quality of Under the Bangkok Metropolitan Secondary Educational Service Area Office Bangkok 1”. Journal of Dhamma for Life 29, no. 3 (September 25, 2023): 134–144. accessed May 11, 2025. https://so08.tci-thaijo.org/index.php/dhammalife/article/view/2128.