Volume 29, Issue 4, December 2005, Pages 22-37
Lotfy H. Rabie; Hesham M. Mostafa; Gamal Ebrahim Sultan; M. A. El-Booz
Volume 26, Issue 2, June 2001, Pages 15-27
Lotfy H. Rabie; Hesham Mostafa
Volume 26, Issue 2, June 2001, Pages 54-65
Lotfy H. Rabie; Hesham Mostafa