An Assessment of the Effectiveness of Performance Appraisal System in Educational Institution: IAMTECH Sierra Leone as a case study. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 6, n. 06, p. SH–2018, 2018. DOI: 10.18535/ijsrm/v6i6.sh05. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/1590.. Acesso em: 30 apr. 2024.