Wongsirasawat C, Pupat P, Sirimai K. Effectiveness of school operations with international standards affiliated with Office Secondary Education Area, Region 4. RMUTSB-HUMAN [internet]. 2021 Dec. 17 [cited 2026 Sep. 11];6(2):228-37. available from: https://so05.tci-thaijo.org/index.php/rmutsb-hs/article/view/250417