แข็งแอ ค. (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), pp. 181–195. Available at: https://so03.tci-thaijo.org/index.php/rpu/article/view/231915 (Accessed: 26 April 2024).