Kerdsiri, K., Sathtrukram, T., Choobuakaw, P., Wongsirasawat, C. and Faisong, S. 2023. LEADERSHIP SKILLS IN THE 21st CENTURY OF SCHOOL ADMINISTRATOR: NEW APPROACH, NEW QUALITY. Journal of MCU Nakhondhat. 10, 9 (Sep. 2023), 202–212.