Volume 33, Issue 1, March 2008, Pages 1-8
A. Kohail
Volume 32, Issue 3, September 2007, Pages 1-12
N. Radwan; A. Kohail; S. Abbas; I. Mousa
Volume 32, Issue 2, June 2007, Pages 13-20
Tawfik Tawfik Mohamad Elmidany; Hassan Saied Mohamad Hedia; A. Kohail; M. Elkotb