Volume 9, 1,2, January 2005, Pages 7-16
Hatem AbuHashim; Mohamed El-Negery; Kamal Anwar; Rafat Abd El-Fatah; Mohamed Nezar
Volume 8, Issue 2, May 2004, Pages 23-38
Hesham Shalan; Mohamed El-Shafei,; Mohamed El-Negery; Kamal Anwar; Tarek Shokeir; Salwa Gawish