Pages 23-28
Mahmoud Abdelhmid Arafat; Ehab Khalifa; Fathy El-Taweel; Seif-Eldin Ayyad; Khaled Samir Mohamed
Pages 29-38
Seham El-Sayed Abu Ahmed; Suad A Alshiteewi; ElHossein A. Moawed; Seif N. Ayyad