Bootwang, Narongchai, Kunnika Waisopha, and Pim-on Sod-ium. “ADAPTIVE LEADERSHIP INDICATORS FOR SECONDARY SCHOOL ADMINISTRATORS: TEST OF MEASUREMENT MODEL INVARIANCE CLASSIFIED BY SCHOOL SIZE”. Journal of Social Science and Cultural 10, no. 10 (September 23, 2026): 218–229. accessed October 3, 2026. https://so06.tci-thaijo.org/index.php/JSC/article/view/297892.