Changkwian , A., & Wangthanomsak, M. (2022). Administrator’s Roles and the Effectiveness of School under the Secondary Educational Service Area Office Nakhon Pathom. Journal of Multidisciplinary in Humanities and Social Sciences, 5(1), 93–108. retrieved from https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/255047