แข็งแอ คมสัน. 2019. “The Guidelines of Participatory Administration Development for School Administrators under The Office of Nongbualamphu Educational Service Area 1”. Journal of Humanities and Social Sciences, Rajapruk University 5 (supplement):181-95. https://so03.tci-thaijo.org/index.php/rpu/article/view/231915.