EGBON, T. N.; OKEREKA, O. P.; MUKORO, A. Performance Appraisal Systems and Employee Motivation in Selected Ministries in Delta and Rivers States, Nigeria. Journal of Social Science and Humanities, [S. l.], v. 1, n. 1, p. 83–103, 2025. Disponível em: https://journal.jcopublishing.com/index.php/jssh/article/view/715. Acesso em: 4 mar. 2026.