Volume 11, Issue 2, March and April 2007, Pages 119-143
Ibrahim Shaker; Ahmed Mahmoud
Volume 11, Issue 1, January and February 2007, Pages 151-170
Hanan El-Nahas; Fatma EI-Deeb
Volume 10, Issue 4, September and October 2006, Pages 109-127
Ibrahim Shaker; Mohamed Abdel-Aal
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