Volume 17, Issue 4, November 2014, Pages 5-6
G Abdel-aal; M Nassar,; S Helmy
Volume 17, Issue 3, November 2014, Pages 7-8
G Abdel-aal; A Habib; A Ali; M Shaheen
Volume 17, EIJEST, Vol. 17, 2014, June 2014, Pages 195-213
G Abdel-aal; A Habib; A Ali; M Shaheen