Pages 63-74
Gamal Houssein; Ahmed Anter; Ahmed Ramadan
Pages 75-91
Yousria Ahmed Abd-Elmna; Naglaa Abd-El-salam Mahmoud; El-Sawy Mohamed Anwar El- Sawy; Ayman farouk Ibrahim
Pages 122-133
Samir A. Osman; El-Sawi M. Anwar; Ahmed W. Zied; Salah J. A. Al-Dawoody
Pages 163-177
Ashour Kamel Ashour; Moustafa Sabry Saleh; Zeinab Abd Elhak Mohamed