Volume 33, Issue 2, December 2017, Pages 249-258
Gabr F. El-Bagoury; Ayman S. El-Habbaa; Effat L. El-Sayed; Manal Abd El-Aziz
Volume 30, Issue 1, March 2016, Pages 78-85
Effat L. El-Sayed; Eman S. A. Zaki; A. A. El-Kholy; Sleem S. Salama