Volume 22, Issue 1, March 2013, Pages 95-98
M. Abo Rokia; L. Bakar; A. A. Abdalla
Volume 18, Issue 2, March 2008, Pages 34-37
D.A.M.L. Al-Bassel; A.B. Ouhida
Volume 18, Issue 2, March 2008, Pages 38-39
F. S. El-Serety; A. H. Hadad; D. Al-Bassel