Sang Ngern S, Roekngam S, Mungmee S, Laplay C, Nantamaswangnara N. Internal Supervision in Basic Education Institutions. AMJ [internet]. 2026 Jun. 29 [cited 2026 Sep. 14];10(3):59-6. available from: https://so02.tci-thaijo.org/index.php/jam/article/view/287321