لهيب علي الصائغ. “The Concept of Value in the Production of Architectural”. Journal of Engineering and Sustainable Development 16, no. 3 (September 1, 2012): Ar 17–30. Accessed April 19, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1303.