Pages 2-11
Amr Sharaf Elden, Yasmin Mohammed Marei
Pages 12-22
Ayman Shehata Dawood
Pages 23-37
Basma Sakr
Pages 38-43
Maher Elesawi
Pages 44-53
Taher Mostafa
Pages 54-72
Yaser Abd El-dayem
Pages 1-24
Abstract Abstract