Volume 12, Issue 2, April 2015, Pages 30-43
A. M. Samy; R. A. Ibrahim; M. M. Abdel-barr
Volume 10, Issue 4, October 2013, Pages 58-65
R. A. Ibrahim; M. M. Abdel-Barr
Volume 10, Issue 2, April 2013, Pages 36-45
R. A. Ibrahim; M. M. Abdel-Barr; A. E. Eladawi