แก้วเกิด ว, แสดงหาญ พ, อิงอาจ อ. Approach of Happiness and Employee Engagement in Happy Workplace Organization Model. KKBSJournal [internet]. 2017 Aug. 31 [cited 2026 Aug. 30];1(2):13-29. available from: https://so04.tci-thaijo.org/index.php/kkbsjournal/article/view/161279