Volume 17, Issue 2, March 2007, Pages 1-9
Seham A. El-Zeedy; Hussein K. Eldeen; Jihan M. Badr
Volume 15, Issue 2, March 2005, Pages 177-179
S. S. Salama; S. M. Shafei; Elham A. El-Ebiary
Volume 15, Issue 2, March 2005, Pages 190-195
Mona I. El-Enbaawy; Ansam M. Salam