Volume 36, Issue 2, December 2013, Pages 175-181
H. H. Abdel-Maksoud; A. El-Nikhaily; R. I. Elsoeudy; A. Z. Khafagy
Volume 34, Issue 1, January 2011, Pages 19-26
Doaa E. El-Agha; Mohammed M. Salama; Ashraf M. Ghanem