Volume 23, Issue 2-A, December 2012, Pages 113-131
HAMDY KH. THABET; AHMED H. HALAWA; MOHAMED A. ELNASSAG; AHMED A. HASSAN
Volume 22, Issue 1-A, June 2011, Pages 21-36
MOHAMED H. HELAL
Volume 22, Issue 1-A, June 2011, Pages 85-96
H. KH. THABET; M. H. HELAL; M. A. SALEM; A. A. FARRAG