“Analyzing Temperature Gradient across the Roofof a Building in Baghdad”, J. eng. sustain. dev., vol. 9, no. 4, pp. 89–98, Dec. 2005, Accessed: Jul. 22, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1823