[1]
Kongkan, P. and Duangchatom, K. 2023. Guidelines for the Development School Management According to the Sufficiency Economy Philosophy under Roi-Et Primary Educational Service Area Office 2: Guidelines for the Development School Management According to the Sufficiency Economy Philosophy under Roi-Et Primary Educational Service Area Office 2. RATANABUTH JOURNAL. 5, 2 (Aug. 2023), 327–344.