Butket, Wanlop, and Samroeng Onsamphan. “Organization Culture and Happy Workplace of Teachers in School under the Secondary Educational Service Area Office 9”. Journal of Arts Management 4, no. 3 (September 30, 2020): 747–759. Accessed May 26, 2024. https://so02.tci-thaijo.org/index.php/jam/article/view/243407.