Volume 63, Issue 153, April 2017, Pages 115-121
HASSAN MAHMOUD; ALSAGHER ALI; AHMED EZZAT AHMED
Volume 63, Issue 152, January 2017, Pages 183-188
MALK ISMAIL IBRAHIM; Adel ELSAYED AHMED MOHAMED; ALSAGHER ALI; HASSAN MAHMOUD
Volume 62, Issue 148, January 2016, Pages 6-12
ALSAGHER ALI; HASSAN MAHMOUD