Volume 29, Issue 2-C, December 2018, Pages 19-25
Mahmoud A. Mohamed; Nehal M. El-Deeb; Mohamed R. El-Assar; Mohamed M. Farag; Ayman F. Ahmed
Volume 19, Issue 2-C, December 2008, Pages 41-54
AHMED I. ATIA; HUSSEIN M. EL-KABBANI