Volume 42, Issue 2, April 2019, Pages 93-98
A. A. Abou El-Ela; Ragab A. El-Sehiemy; Ahmed M El-Shebiny
Volume 39, Issue 1, January 2016, Pages 1-6
Abdullah M. Shaheena; Ragab A. El-Sehiemy; Sobhy M. Farrag
Volume 37, Issue 4, October 2014, Pages 379-388
Mostafa A. El-hosseini; Ragab A. El-Sehiemy; Amira Y. H
Volume 35, Issue 3, July 2012, Pages 187-195
M.M. Shatla; A.A. Abou El-Ela Abou El-Ela; M.A. Abido; Ragab A. El-Sehiemy