Volume 44, Issue 1, March 2016, Pages 85-90
Gamal El-Din Shams; Abdel-Alim Abdel-Alim; Nagah Edrees; Abeer Hossny
Volume 43, Issue 3, December 2015, Pages 152-158
Nagah M. Edrees; Sameh M. El-Nabtity; Gamal A. El-Mowalid; Mohammed S. Badr