I. Amadi , Kingsley, and Jonah Charles Tambari , trans. “Job Security and Organizational Citizenship Behaviour in Telecommunication Companies in Port Harcourt”. International Journal of Scientific Research and Management (IJSRM) 9, no. 11 (November 19, 2021): 2585–2594. Accessed June 15, 2025. https://www.ijsrm.net/index.php/ijsrm/article/view/3493.