Naiemaha et al., S. U. “The Relationship Between Organizational Commitment, Employee Engagement, Job Satisfaction and Turnover Intention: Evidences in the Malaysian Hospitality Sector”. International Journal of Advanced Science and Technology, Vol. 28, no. 13, Nov. 2019, pp. 473 -82, http://sersc.org/journals/index.php/IJAST/article/view/1346.