Volume 18, Issue 1, January 2008, Pages 1-22
Hamdi A. Awad; Ahmed R. Anwar; Mostafa M. Gomaa; M. M. Sharaf
Volume 17, Issue 1, January 2007, Pages 1-22
Nabila M- El-Rabaie; Hamdi A. Awad; Tarek A. Mahmoud