Sungmala, Ngaochai, and Amara Verawat. “The Impact of Socio-Demographic Factors on Employee Engagement at Multinational Companies in Thailand”. Journal of Multidisciplinary in Humanities and Social Sciences 4, no. 2 (May 10, 2021): 694–711. Accessed April 27, 2024. https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/249144.