Aman-Ullah, Attia, Azelin Aziz, and Hadziroh Ibrahim. “A Systematic Review of Employee Retention: What’s Next in Pakistan?”. Journal of Contemporary Issues and Thought 10 (July 30, 2020): 36-45. Accessed August 9, 2022. https://ejournal.upsi.edu.my/index.php/JCIT/article/view/4126.