(3eQJcRGJ GdfXGe GdOjebQGWj h bhGYO GdMce GdQTjO (B/s - (3eMeO agje OQhjT s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 2010)
. 425-423 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQj s