Volume 50, Issue 2, June 2019, Pages 53-67
M. A. Mohran; A. M. Abd-El Rahim; A. M. Hassanein; Shaymaa H. Sadek
Volume 43, Issue 1, March 2012, Pages 16-23
Shaymaa Sadek; Nour El- Hoda M. Hanafe; mohamed Fahmy; Ahmed Hassanein