Phuengpheng, Phakphum, and Wacharapatr Techawattanasiridumrong. “The Development of Operation Manual for Collecting Information on the Student Support System of Uthai School Phranakhon Si Ayutthaya Province”. Mahachula Academic Journal 8, no. 2 (August 28, 2021): 289–298. Accessed May 2, 2024. https://so04.tci-thaijo.org/index.php/JMA/article/view/251890.