Okolie, Ugo Chuks, and Morrister Idibra. “Delayed Payment of Gratuity, Pension, and Post-Retirement Conditions”. Indonesian Journal of Social Sciences 14, no. 2 (November 28, 2022): 79–92. Accessed January 12, 2025. https://e-journal.unair.ac.id/IJSS/article/view/33926.