Volume 32, Issue 4, December 2007, Pages 13-23
Mohamed Mahmoud Moustafa Awad; Hesham Mostafa; Gamal Ibrahim Ahmed Sultan; A. El-booz; A. M. K. El-Ghonemy
Volume 29, Issue 1, March 2004, Pages 34-43
Hesham M. Mostafa; Gamal Ibrahim Ahmed Sultan; M. Mousa