Shathitshunthonphan, W., T. Gesthong, and T. Suntawan. “A Model of Waste of Management for Schools under the Office of Basic Education Commission”. Mahachula Academic Journal, vol. 7, no. 3, Nov. 2020, pp. 157-73, https://so04.tci-thaijo.org/index.php/JMA/article/view/242366.