Sawaneh, Ibrahim Abdulai, Umaru Peter Kamara, and Osman Gbassay Kamara , trans. “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) 6, no. 06 (July 6, 2018): SH–2018. Accessed July 1, 2025. https://ijsrm.net/index.php/ijsrm/article/view/1590.