Boonsungneon S, Muktarakosa S, Piayura S. The Strategy for Effective Internal Quality Assurance Management under the Administration of Chaiyaphum Primary Educational Service Area 1. dhammathas [internet]. 2018 Feb. 8 [cited 2026 Mar. 6];17(3):223-36. available from: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/94341