BUANGSUWAN, C.; GESTHONG, T.; UTTARO, P. A MODEL OF STRENGTHENING TRANSFORMATIONAL LEADER ACCORDING TO THE FOUR PRINCIPLES SANGAHAVATTHU AMONG SCHOOL ADMINISTRATION UNDER THE NAKHON SAWAN PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1 . Journal of Educational Review Faculty of Education in MCU, [S. l.], v. 13, n. 2, p. 409–422, 2026. Disponível em: https://so02.tci-thaijo.org/index.php/EDMCU/article/view/289169. Acesso em: 16 sep. 2026.