لفته عبد السلام, and صالح ميادة مهدي. “The Method of ABC and It, S Roules in the Determining the Cost of the Project Constraction Sector”. Journal of Economics and Administrative Sciences 19, no. 72 (September 1, 2013): 32. Accessed May 2, 2025. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/944.