(3QbGHI eLdS GdOhdI Ydj ELQGAGJ h WQb GdJYjjf aj GdhXGFa GdYGeI Hjf GdfXQjI h GdJWHjb (B:s (3OQGSI ebGQfI ,s (3GdcJGH GdKGfj (B/s - (3UdGM GMeO GdSjO LhOg s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 2009)
. 220-213(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdEOGQjs; (3WQb GNJjGQ GdehXa GdYGes