Pornin, Jutaporn, and Tongfu Siriwongsee. “Motivational Factors and Organizational Climate Affecting Job Happiness of Employees in a Fast - Food Business Brand in Bangkok”. Journal of Graduate MCU KhonKaen Campus 12, no. 2 (June 22, 2025): 58–71. accessed October 14, 2026. https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/276734.