Volume 8, Issue 1, April 2010, Pages 108-117
Amal F.A. Mansour; A. H. Fayed; F.A. El-Shaboury
Volume 7, Issue 1, May 2009, Pages 234-252
Ibrahem Al-Hawary; Hossam Ahmed; Mohamed Ewina; E. F. El- Sebaey