Singmatr, Pol.Sub.Lt. Dr. Sanook, Pikul Meemana, and Theeraphat Thinseandee. “Quality of Life According to Philosophy of Sufficiency Economy of Teachers and Educational Personnel in Yasothon Province”. Journal of Research and Development Institute Rajabhat Maha Sarakham University 4, no. 2 (December 31, 2017): 147–160. Accessed May 5, 2024. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/209747.