Volume 21, Issue 1, January 2007, Pages 1-12
Adly S. Tolba
Volume 20, Issue 2, July 2006, Pages 29-40
Adly S. Tolba; Yehia . M . M . Ahmed
Volume 20, Issue 2, July 2006, Pages 40-60
Adly S. Tolba; Yehia . M . M . Ahmed
Volume 19, Issue 1, January 2005, Pages 1-31
Adly S. Tolba; Joma A. Ifhima