Tiensopha, Chama, Sathiraporn Chaowachai, and Anucha Kornpuang. “FACTOR ANALYSIS OF BEING A HAPPY ORGANIZATION OF PRIVATE SCHOOL”. Journal of Education and Innovation 26, no. 3 (August 20, 2024): 220–231. accessed October 8, 2026. https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/265566.