Pages 493-508
Ahmed Ibrahim Abdelhakim; Helal Samy Helal
Pages 509-524
Mahmoud A. Badr; Mohammed A. El-Shirbeny; Mohammed Y. El-Ansary; Montaser A. awad
Pages 525-536
Asaad A. Abdelkader Derbala; Shaimaa Abd Rabo; Mayie Mohamed Amer