Charasri, S., A. P. D. Yeamsang, and วัฒนบุตร ล. “Development of Small School Management Model Based on the Philosophy of Economic Sufficiency”. Journal for Developing the Social and Community, vol. 6, no. 1, June 2019, pp. 203-22, https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211452.