(3GdfXQjI GdYGeI ddbGfhf GdOSJhQi(B.s (3GdcJGH GdKGfj,s b - (3QaYJ YjO SjOs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 2009)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdSdWI GdJTQjYjI s; (3GdbGfhf GdOSJhQjs