(3GdEYdGe GdYQHj Ydi CHhGH GdbQf GdMGOj h GdYTQjf (B:s (3eGgjJgG WHjYJgG (B/s - (3NVhQ, COjHs ((3ShQjG (B:s (3GdecJHI GdGYdGejI ,s, 2000)
Keywords: (3GdEYdGes; (3GdEYdGe GdYQHjs