Mongkolkul S. Internal Supervision in the Mueang District 4 School Cluster, under the Prachuap Khiri Khan Primary Educational Service Area Office 1: Internal Supervision in the Mueang District 4 School Cluster, under the Prachuap Khiri Khan Primary Educational Service Area Office 1. JLAE [internet]. 2026 Aug. 31 [cited 2026 Sep. 25];2(2):28-44. available from: https://so11.tci-thaijo.org/index.php/LAE/article/view/4204