Volume 40, Issue 4, December 2015, Pages 1-13
A. Jawdat; A. A. Hegazi; F. Okasha
Volume 40, Issue 2, June 2015, Pages 1-12
G. Zaater; S. El-Emam; M. Awad; F. Okasha
Volume 35, Issue 2, June 2010, Pages 39-50
S. H. El-Eman; F. M. Okasha; H. A. Abdel-Salam; A. Shabana