อบอาย จีระศักดิ์. “A Study of School - Based Management Problems in the Secondary Education Service Area Office Nakhon Sawan”. Education journal Faculty of Education, Nakhon Sawan Rajabhat University 4, no. 2 (August 31, 2021): 89–99. Accessed April 29, 2024. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/250040.