Pages 1-8
Alaa T. Elghazy; Ashraf A. El-Said; Yasser El-Amier
Pages 9-16
Yasser El-Amier; Lina ahmed; ahmed Ramadan; ELsayed Fouad Al-Halawany
Pages 17-24
Yasser El-Amier; Hoda Soluman; Esraa Elsayed
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