SHEHU, I.; OCHALA, M.; NWOGWUGWU, N. Performance Appraisal Systems and Institutional Effectiveness: Evidence from Administration Practices in Nigeria Immigration Service. Academia Open, [S. l.], v. 11, n. 1, p. 10.21070/acopen.11.2026.14654, 2026. DOI: 10.21070/acopen.11.2026.14654. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/14654. Acesso em: 9 jun. 2026.