Volume 55, Issue 123, October 2009, Pages 1-16
A.M. ABD EL-MALEK; SOHAILA FATHI HASSAN ALI; R. HASSANEIN; M.A. MOHAMED; K.I. ELSAYH
Volume 53, Issue 113, April 2007, Pages 1-14
H.H. ESSA; A.M. ABD EL-MALEK; EMAN EZ-ALDAWLA SHARKAWY
Volume 52, Issue 110, July 2006, Pages 65-74
A.M. ABD EL-MALEK; H.H. ESSA; N.H. MAKAR; R.S. REFAIE