Volume 20, Issue 2, March 2010, Pages 1-6
Wafaa A. Osman; Azza S. A. Goda; Mona A. Mahmoud; T. R. Abou EL Naga
Volume 19, Issue 2, March 2009, Pages 53-61
F.R. El-Seedy; W.H. Hassan; Hala A. El-Newery; Mona, M. Husien