basil alhamdany, farah, and laheeb Mohammad Ibrahim. “Software Development Effort Estimation Techniques: A Survey”. Journal of Education and Science 31, no. 1 (March 1, 2022): 80–92. Accessed September 13, 2025. https://tanmiyat.uomosul.edu.iq/index.php/edusj/article/view/42415.