Dr. Mohamed Saad Attwa, Dr. Magdy Qassem, Haitham Emad El- Din Morsy (2022) “The Role of Materials in Achieving the Sustainability of Existing Buildings”, Design Engineering, (1), pp. 2870 - 2884. Available at: http://thedesignengineering.com/index.php/DE/article/view/9351 (Accessed: 24April2024).