Volume 28, Issue 2, July 2014, Pages 111-120
Tahany Noreldin; Samiha Ouda; S.M.M Abdou; Youssef K.M.R
Volume 24, Issue 2, July 2010, Pages 16-29
M.F.I El-Akram; S.M.M Abdou; M.R.K Ashry; F.R.M Farrag