(3Jcjja GdhGbYI GdELQGejI (B:s (3OQGSI JCUdjdjI hJWHjbI ebGQfI ddJcjja aj GdehGO GdLfGFjI (B/s - (3eMeO Ydj Shjdes ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 2000)
. 440 -423 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdQcf GdeGOj ddLQjeIs; (3GdbGfhf GdLfGFjs