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Arong S, Jarujit P, Homsin N. DEVELOPMENT OF EFFECTIVE INTERNAL QUALITY ASSURANCE MANAGEMENT STRATEGIES FOR SECONDARY SCHOOLS UNDER THE OFFICE OF THE BASIC EDUCATION COMMISSION IN THE UPPER NORTHEASTERN REGION. JSC [internet]. 2026 Jun. 27 [cited 2026 Sep. 1];10(7):366-81. available from: https://so06.tci-thaijo.org/index.php/JSC/article/view/295008