Saad, Moataz Moustafa, Mohamed AbdelAll Ibrahim, and Zeyad M. El Sayad. “Eco-City As Approach for Sustainable Development”. American Scientific Research Journal for Engineering, Technology, and Sciences 28, no. 1 (February 3, 2017): 54–74. Accessed September 26, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/2623.