Thawinkarn, Dawruwan. “Quality Culture Development Model for Small Schools in the Northeast of Thailand”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 6, no. 3 (November 20, 2018): 114–126. Accessed April 29, 2024. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/156374.