Sannang, P., B. Sisan, P. Tangkunanan, and K. Apissukul. “Factor Analysis of Teacher Leadership in Schools under the Samutprakan Primary Educational Service Area Office”. Journal of Roi Et Rajabhat University, vol. 18, no. 2, Aug. 2024, pp. 41-55, https://so03.tci-thaijo.org/index.php/reru/article/view/276168.