Volume 11, Issue 1, 2015, Pages 27-28
Abdelrauf Moustafa; Mohamed Zaghloul; Dina AlSharkawy
Volume 3, Issue 2, 2008, Pages 21-40
Raafat Abd El-Wahab
Volume 2, Issue 1, January 2007, Pages 23-32
Mohamed El-Nouby; Ahmed Gaber