Volume 9, Issue 1, 2013, Pages 67-77
Nagi A. Ibrahim; Ahmed M. GabAllah; Alsyed R. Farahat
Volume 8, Issue 1, 2012, Pages 1-21
Nagi A. Ibrahim; Ahmed M. GabAllah; Hanim S. Hendawy
Volume 7, Issue 1, 2011, Pages 23-43
Nagi A. Ibrahim; Al Ahmady S Alzahaby; Amr A. Shalaby; Eman S. El-Bahaie