Volume 47, Issue 4, August 2016, Pages 16-31
Volume 46, Issue 4, August 2015, Pages 1-11
Volume 41, Issue 1, March 2010, Pages 1-27
Mussad Zaki El-Hefny; El-Said A. Hassaballa; Magdi Abd El-Moula; Khaled A. M. Ibrahim
Volume 39, Issue 3, October 2008, Pages 1-17
Magdi A. Abd El-Moula; M. E.M. Abd El-Azeem