(3GdLeGf ai JTHgGJ GdbQBf(B/s - (3GHf fGbjG GdZOGOis; (3eUWai GdUGhi GdMhjfi s ((3GdEScfOQjI (B:s (3efTCI GdeYGQa,s, 1978)
(3GdfU HGddZI GdYQHjIs
Keywords: (3HdGZI GdbQBf GdcQjes; (3GdTQjYI GdESdGejI s