(3JUfja Ojhj GdYTQj (B:s (3MSH GdWHYI GdKGfjI h GdYTQjf GdCLfHjI h GdeYQHI GdcTGa GdfSHj(B((3GdeLdO(B2) /s - (3TQja, eMeO YHO GdLhGO s ((3OShb (B:s (3OGQ GdYde h GdGjeGf ddfTQ h GdJhRjY ,s, 2011)
Keywords: (3GdcTGa GdfSHjs; (3Yde GdecJHGJs; (3JUfja Ojhj GdYTQjs