Volume 13, Issue 1, April 2015, Pages 19-34
M. A. Elseify Elseify; I.S. El Shihawy; A. M. Metwally; M. Fawaz
Volume 11, Issue 2, October 2013, Pages 85-106
Mahmoud A. El-Seify; Ismail S. Elshahawy; Asmaa M. Metwally; Marwa M. Fwaz