Volume 7, Issue 2, December 2013, Pages 53-56
E. M. Bakr
Volume 7, Issue 1, 2013, Pages 53-56
E. Bakr; Aziza Abou Zaid
Volume 6, Issue 1, 2012, Pages 35-39
E. M. Bakr; Z. R. Soliman; M. F. Hassan; S. D. Tawadrous
Volume 6, Issue 1, 2012, Pages 49-53
Aziza M. Abou-Zaid; E. M. Bakr; Samia A. Yassin; Neama A. Abdel Hameed
Volume 4, Issue 1, 2010, Pages 63-65
E. M. Bakr