Phuengpheng P, Techawattanasiridumrong W. The Development of Operation Manual for Collecting Information on the Student Support System of Uthai School Phranakhon Si Ayutthaya Province. jma [internet]. 2021 Aug. 28 [cited 2026 Aug. 28];8(2):289-98. available from: https://so04.tci-thaijo.org/index.php/JMA/article/view/251890