Fatoni, Mahmud, Dewi Prihatini, and Ika Barokah Suryaningsih. “The Role of OCB in Mediating The Effect of Employee Engagement and Organizational Commitment on Employee Performance: Contract Vs Permanent Employees”. International Journal of Scientific Research and Management 6, no. 08 (August 13, 2018): EL-2018. Accessed April 10, 2020. https://ijsrm.in/index.php/ijsrm/article/view/1707.