Volume 40, Issue 2, December 2012, Pages 39-55
Effat Zaher; Mohamed Attia; Nour El-Houda Reyad
Volume 37, Issue 2, December 2009, Pages 21-28
Effat A. Zaher; Nour K. Soliman; Fatma M. Radwan; Abou-Ghanima S. Fath-El-Bab