A. . E. Al- Saffar and F. . H. Al-Samaraai, “Developing Computer Program to Implement Time-Cost Relationship for Planning Constructional Projects in Iraq”, J. eng. sustain. dev., vol. 10, no. 2, pp. 59–71, Jun. 2006, Accessed: May 11, 2025. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1805