Volume 20, Issue 1, March 2010, Pages 19-29
M. M. Seif; A. M. Sedeek; M. Z. Fathy; G. A. Ragab
Volume 20, Issue 1, March 2010, Pages 122-125
H. A. EL-Helw; M. M. Fayez; Roukaia M. Osman
Volume 18, Issue 1, March 2008, Pages 52-56
Safaa A. Warda