Volume 18, Issue 1, March 2008, Pages 52-56
Safaa A. Warda
Volume 15, Issue 2, March 2005, Pages 25-33
Walaa M. Sayed; H. H. Kamel; Azza H. Abd-El-Rahman; K. A. El-Nesr; H. M. Madbouly; Amira H. Mohamed
Volume 15, Issue 2, March 2005, Pages 203-207
S. M. Tamam; A. S. Abdel-Moneim