Volume 5, Issue 1, December 2010, Pages 15-20
Mahmoud F. M. Moustafa; Alwadi H. M.
Volume 4, Issue 1, September 2010, Pages 1-7
Mahmoud Moustafa; Elsayed E. Hafez
Volume 2, Issue 1, December 2009, Pages 99-107
Mahmoud F. M. Moustafa