Mazidah Mat Rejab, Nurulhuda Firdaus Mohd Azmi, Suriayati Chuprat, and Hairulnizam Mahdin, Traceability Matrix for Effort Estimation in Change Request. Penerbit UTHM, 2023. Accessed: Apr. 09, 2026. [Online]. Available: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/501