(3bjhO JYHjQ GdehXa Yf BQGFg aj GdUMas - (3aJMj acQjs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI(B,s, 1989)
. 86-83 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdMbhb GdSjGSjI ddehXa GdYGes