Jandaphun, Dacha, Jarerat Chatsahga, and Sanook Singmatr. 2023. “Improving the Quality of Life of Teachers and Educational Personnel with the Philosophy of Sufficiency Economy: Improving the Quality of Life of Teachers and Educational Personnel with the Philosophy of Sufficiency Economy”. RATANABUTH JOURNAL 5 (3). Yasothon, Thailand:640-51. https://so07.tci-thaijo.org/index.php/rtnb/article/view/3808.