(3GdQcf GdeGOi ai LQjeI NjGfI GdCeGfI (B/s - (3YHOGdQMje UObis ((3GdbGgQI (B:s (3ecJHI GdfgVI GdeUQjI,s, 1994)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFis; (3NjGfI GdCeGfIs