Volume 21, Issue 2-A, December 2010, Pages 251-266
SEHAM M. ABDEL MOTAAL; HIND A. AL-MALKI
Volume 21, Issue 2-A, December 2010, Pages 363-378
SEHAM M. ABDEL MOTAAL; NOHA M. AL-QASMI
Volume 19, Issue 1-A, June 2008, Pages 283-294
REDA ABDEL HAMEED; H. ISMAIL