(3GdJWHjbGJ GdeYGUQI ddfXGe GdGJgGej aj GdbGfhf GdCfLdhCeQjcj (B/s - (3HdGd, CMeO YhVs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1992)
(3HHdjhLQGajI (B: (3UaMI (B363-382.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3HQjWGfjGs; (3GdbGfhf GdLfGFjs -- (3GdhdGjGJ GdeJMOI GdCeQjcjIs; (3bGfhf GdELQGAGJ GdLfGFjIs -- (3GdhdGjGJ GdeJMOI GdCeQjcjIs; (3GdbGfhf GdLfGFjs -- (3HQjWGfjGs