พงษ์สุพรรณ ท, คุณากรพิทักษ์ ป. Organizational Culture Affecting Happy Workplace of The Teacher in School under Nongkhai Primary Educational Service Area 1. rpujournal [internet]. 2020 Jan. 31 [cited 2026 Aug. 29];5(3):218-31. available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/237807