Ahmed Hamdi
![Ahmed Hamdi](https://upload.wikimedia.org/wikipedia/commons/d/d5/%D8%A7%D9%84%D8%B4%D9%87%D9%8A%D8%AF_%D8%A3%D8%AD%D9%85%D8%AF_%D8%AD%D9%85%D8%AF%D9%8A.jpg)
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17by El-Borai Mahmoud M., El-Nadi Khairia El-Said, Mostafa Osama L., Ahmed Hamdy M.Get full text
Published 2004-01-01
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