Volume 19, Issue 1, March 2011, Pages 163-170
A Sohair; Abozaid Abeer A.; Hussein Nemmat A.; Al-salemi Fawzia A.
Volume 16, Issue 2, September 2008, Pages 335-347
Samah H. Abuhussien; Fatma R. Nassar; Sohair A. Nasr; A.A.M. Abdelhafez