Thitipurihirun, Phakkhakun, and Aomthajit Pansri. “Guidelines for Promoting The Teaching Spirit of Assistant Teachers Under the Phitsanulok Primary Educational Service Area Office 1”. Journal of Organizational Innovation and Management 2, no. 2 (August 19, 2026): 1–15. accessed September 19, 2026. https://so16.tci-thaijo.org/index.php/JOIM/article/view/3588.