Home › Authors › Magdy Helal 👤 Magdy Helal 3 books Books by Magdy Helal 14th International Conference 14th International Conference on Sustainable Green Construction and Nano-Technology, NTC-2023 2023 14th Sustainable Green Constru 14th Sustainable Green Construction and Nano-Technology 2023 Sustainable Green Construction Sustainable Green Construction and Nano-Technology 2022