Volume 24, Issue 2, July 2010, Pages 30-37
F.S. Abd El-Samei; Ekram A. Megawer; H. Mahfouz; E.S. Abdel Aziz
Volume 24, Issue 1, January 2010, Pages 92-105
Ekram A. Megawer
Volume 23, Issue 1, January 2009, Pages 13-32
F.S. Abd El-Samei; H. Mahfouz; Ekram A. Megawer; M.E. Rady