หมั่นเขตร์กรณ์ ศ. A Study of the Problem of School Administration in Joint Learning According to the Seat Framework in the Group United Campus Thung Hin Theun under the Office of Secondary Education Service Area Area 42. edunsrujournal [Internet]. 2022 Jan. 29 [cited 2024 May 18];3(2):27-39. Available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/254295