Volume 9, Issue 1, 2014, Pages 47-51
Alaa Rashad; Ishrak Khafagi; Ahmed Dewedar; Akram Abo-Seda
Volume 7, Issue 1, 2012, Pages 57-67
Ishrak Khafagi; Ahmed Dewedar; Alaa Rashad; Akram Abo-Seda