Kawichai, Veeraphan, Suchada Nanthachai, and Meechai Orsuwan. 2023. “A COMPLETE NEEDS ASSESSMENT FOR AGILE LEADERSHIP DEVELOPING OF THE ADMINISTRATORS IN SCHOOL UNDER THE SECONDARY EDUCATION SERVICE AREA OFFICE BANGKOK 1”. Journal of MCU Social Science Review 12 (6). Ayutthaya, Thailand:308-21. https://so03.tci-thaijo.org/index.php/jssr/article/view/259846.