Moonsamai, S., and C. Suwansumrit. “The Administration Encouragement of Professional Learning Communities in Schools under the Secondary Educational Service Area Office Nonthaburi”. Journal of Humanities and Social Sciences, Rajapruk University, vol. 10, no. 1, Apr. 2024, pp. 308-23, https://so03.tci-thaijo.org/index.php/rpu/article/view/277491.