Volume 26, Issue 1, 2006, Pages 35-62
Zeinab Elwan; Abdel-Monaim Aboel-Atta; Mohamed Loutfy; Ehab Kamel
Volume 20, Issue 1, 2000, Pages 95-111
Abed-El-Moniem Aboel-Atta; Maged Abou-El-Enain; Mohamed Loutfy