Klinmahom, Suphadanai, and Orathai Chuacharoen. 2025. “The Happiness at Work Affecting to Loyalty to Food and Beverage Manufacturing Organization”. Journal for Developing the Social and Community 12 (3). Bangkok, Thailand:177-98. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/292781.