Volume 41, Issue 1, March 2010, Pages 81-92
Mohamed A.A. Sallam; K. M.H. Abd El-Moneem; M. A.E. Hassan; Hadeel M.M.Khalil,
Volume 40, Issue 1, March 2009, Pages 105-124
M. A.E. Hassan; M E.A. El-Morsi; M. E.A. Abo Rehab; Fatma M. Radwan