Jayamethi PD, Tangchuang P, Mahaviro, Asst. Prof. Dr. PS. Development of model for effective internal supervision by applying the APDRE Model for teachers in Sapansanyu Wittaya School. JMHR [internet]. 2024 Sep. 23 [cited 2026 Sep. 24];8(3):32-46. available from: https://so04.tci-thaijo.org/index.php/JMHR/article/view/b-003