Parinyavanit, T., Narkpoy, L. and Onkasem, P. 2025. SCHOOL ADMINISTRATORS’ TRANSFORMATIONAL LEADERSHIP AFFECTING TEACHERS’ WORK MOTIVATION UNDER CHONBURI RAYONG SECONDARY EDUCATIONAL SERVICE AREA OFFICE . Journal of Graduate School Sakon Nakhon Rajabhat University. 22, 98 (Sep. 2025), 34–49.