(3GdMHS GdGMJjGWj (B: s (3OQGSI JMdjdjI ebGQfI (B/ s - (3YHO GdQMje UObj(B.s ((3GdbGgQI (B: s (3ecJHI GdfgVI GdeUQjI,s, 1994)
(3HHdjhLQGajI (B: (3UaMI (B131-142.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3eUQs; (3GdMHS GdeDbJs -- (3eUQs