Pages 851-856
Mahmoud Gad El- Kareem
Pages 883-891
Mohamed Hussien; Mahmoud Gad El- Kareem
Pages 921-933
Ashraf Mahmoud; A.H.Abdel- Razik hassan Abdel- Razik; Sanaa M. El-Araby; Shimaa M. Ragab
Pages 961-975
Shimaa M. Ragab; Zainab A. Abd Alhafez; Yehia S. Mostafa
Pages 1013-1024
Essam Helmy; Entsar Ibrahem Ragheb