Volume 11, Issue 2, July 2018, Pages 59-65
Ahmed Elhoofy; Mohamed Mahmoud El Sayed Ibrahim; Wael Omar
Volume 11, Issue 2, July 2018, Pages 97-102
Ahmed Elhoofy; Mahmoud Zakaria
Volume 10, Issue 1, January 2017, Pages 101-109
Ahmed Elhoofy; Mahmoud Zakaria