“Performance Appraisal and Employee Service Delivery in Anambra State Civil Service (2007-2020)”. Review of Public Administration and Management (ROPAM) 12, no. 1 (June 5, 2023): 65–70. Accessed August 16, 2026. https://j.arabianjbmr.com/index.php/ropam/article/view/1176.