Wutti, Wararug, and Kamonwan Wanthanang. 2023. “Motivation Affecting Employee Engagement of the Office of the Permanent Secretary, Ministry of Culture”. Faculty of Humanities and Social Sciences Thepsatri Rajabhat University Jounal 14 (3):21-34. https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/267297.