(3GdbGfhf GdhGLH GdJWHjb ai efGRYGJ YbhO GdJLGQI GdEdcJQhfjI (B: s (3OQGSI ebGQfI (B/s - (3EHQGgje Hf CMeO Hf SYjO ReRejs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 2009)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B. s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdEfLdjRjIs
Keywords: (3GdbGfhf GdOhdj s; (3GdbGfhf GdJLGQi GdOhdis; (3GdJYGhf GdOhdjs