Volume 34, Issue 1, March 2018, Pages 41-47
Fatin Hassanien; Shaltout Fahim; Hashim Mohammed; Lamiaa Lotfy; Hatem El- Nagar
Volume 29, Issue 1, September 2015, Pages 124-128
Shaltout A. Fahim; Hashim F. Mohammed; El-nahas Saber