Pavapatta, V., and S. Narkwiboonwong. “A Causal Relationship Model Development of Organizational Commitment of Thai Airways Technical Department”. Kasetsart Journal of Social Sciences, vol. 36, no. 3, Dec. 2015, pp. 498-09, https://so04.tci-thaijo.org/index.php/kjss/article/view/243418.