Volume 40, Issue 2, June 2015, Pages 23-33
L. H. Rabie; Ahmed A. Hegazi; M. S. Elmetwally
Volume 28, Issue 3, September 2003, Pages 141-156
Kamal Radwan; Ahmed Fadel Al-Ashry; Khalid Hassan
Volume 27, Issue 1, March 2002, Pages 1-12
Gamal Ibrahim Ahmed Sultan