Promvihan, O. “Development of the Apide Supervision Process for Internal Quality Assurance of Schools Under the Nakhon Si Thammarat Primary Educational Service Area Office 2: Development of the Apide Supervision Process for Internal Quality Assurance of Schools Under the Nakhon Si Thammarat Primary Educational Service Area Office 2”. RATANABUTH JOURNAL, vol. 8, no. 2, Aug. 2026, pp. 349-60, https://so07.tci-thaijo.org/index.php/rtnb/article/view/11475.