Abdelrahman Marouf El-sayed, Prof. Dr. Mohamed Sameh kamal El-Din Sameh. “Changing the Strategies of The First Design Stages After Corona and Their Impact on Energy Efficiency Indicators in Commercial Centers”. Design Engineering 2021, no. 04 (May 21, 2021): 1544-1553. Accessed May 10, 2024. http://thedesignengineering.com/index.php/DE/article/view/1692.