Volume 20, Issue 2 Special, November 2017, Pages 77-84
Hala M. Gamal El-Din; A.M. Metwally; A.A. AbdAllah; Hala M. El-Bltagy
Volume 19, Issue 2, August 2016, Pages 363-374
Manal K. Abou-Elnaga; G. A. Zanaty; A. M.H. Abou-Ashour; Mohamed F. A. Abdel-Hafez.
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