Volume 32, Issue 2, June 2007, Pages 1-10
Nihal Fayez Fahmy Gomaa Areed; Salah Obayya; Hamdi Ahmed Ahmed El-Mikati
Volume 31, Issue 3, September 2006, Pages 18-26
Nihal Fayez Fahmy Gomaa Areed; Salah S. A. Obayya; Hamdi Ahmed Ahmed El-Mekati