Mohammad Ibrahim, laheeb, and farah basil alhamdany. “Software Development Effort Estimation Techniques: A Survey”. Journal of Education and Science (JES) 31, no. 1 (March 1, 2022): 80–92. Accessed August 7, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24280.