Volume 39, Issue 3, July 2016, Pages 191-196
Volume 39, Issue 3, July 2016, Pages 197-205
R.A. Amer; A.M. Afifi; G.A. Morsy
Volume 34, Issue 3, July 2011, Pages 249-258
M. A. Farahat; H. M. B. Metwally; A. A. A. Mehrem
Volume 33, Issue 1, January 2010, Pages 1-8
Adel A. Abosnina; Mahmoud Shaker