Siriphum, Phatniwan, and Chonmanee Silanookit. “The Teacher’s Opinion on Happy Workplace in Schools Under Bangkok Metropolitan Administration, Eastern Bangkok Group”. Legal State Journal 2, no. 1 (February 8, 2024): 36–47. accessed January 6, 2026. https://so19.tci-thaijo.org/index.php/LSJ/article/view/309.