Sungmala N, Verawat A. The Impact of Socio-Demographic Factors on Employee Engagement at Multinational Companies in Thailand. J.Humanities Social Sciences [internet]. 2021 May 10 [cited 2025 Apr. 10];4(2):694-711. available from: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/249144