Pages 10-19
Tarek H M Elsharouny
Pages 77-84
Karima Elsayed Abdelhafiz; Galal A. R. Elsherbini; Muhammad Youssef
Pages 211-217
Ahmed Youssef Ahmed; G. A.R. EL-Sherbeny; A. A.A. Eldakkak; Hagar K.A. Elsaman