Volume 56, Issue 126, July 2010, Pages 1-15
JEHAN MAHMOUD MAHMOUD OUF
Volume 54, Issue 119, October 2008, Pages 1-11
AMANI L.F. AHMED; K.M. EL-KHAWAS
Volume 52, Issue 109, April 2006, Pages 61-69
HALA F. HASSAN
Volume 32.2, Issue 64, January 1995, Pages 198-206
A. NASSAR; S.A. FARRAG