Pankasem, Pakitta, Chatphum Sichomphoo, and Chaowarit Chancheen. “Administration of Stand Alone Schools Under Sukhothai Primary Education Area Office 2”. Journal of Graduate Research 12, no. 2 (December 8, 2021): 145–158. Accessed April 19, 2024. https://so02.tci-thaijo.org/index.php/banditvijai/article/view/249194.