(3LQGFe GdfTQ hGdEYdGe (B:s (3PGJjI GdNUheI GdLfGFjI(B.s (3GdLRA GdKGfj,s (3GdCMcGe GdELQGFjI (B/s - (3WGQb SQhQ(B.s ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 2009)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJTQjYGJ GdeJYdbI HGdUMGaI(B.s; (3GdJTQjYGJ GdLfGFjI GdNGUI(B.s