Tongtawee, Jidapha, and Mitparnee Pumklom. “The Relationship Between the 21st Century Leadership of School Administrators and Teachers Working Morale and Encouragement in Schools Under Kanchanaburi Primary Educational Service Area Office 3”. Journal of Graduate MCU KhonKaen Campus 10, no. 3 (September 30, 2023): 136–147. accessed October 14, 2026. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/262806.