Guntasopatr, Guntapol, Urairat Yamchuti, and Wichian Intarasompun. “The Use of Administrator’s Power and the Happiness at Work of School Teachers in Sarasas Affiliated Schools Under Office of The Private Education Commission”. Journal of Modern Learning Development 9, no. 12 (December 30, 2024): 172–188. accessed January 8, 2026. https://so06.tci-thaijo.org/index.php/jomld/article/view/275740.