Volume 13, Issue 2, November and December 2016, Pages 1-10
Muna Abdalla; Attia M.; M Yousef; Abd el-Aal H.
Volume 8, Issue 2, December 2011, Pages 31-39
Volume 5, Issue 2, March 2008, Pages 41-47
Volume 1, Issue 1, January 2004, Pages 1-22