(3GdeWGdHI GdOhdjI dEUdGM GdVQQ ai GdbGfhf GdOhdi GdYGe hGdTQjYI GdESdGejI (B/s - (3YHOGdZfi eMehOs ((3eUQ (B:s (3OGQ GdWHGYI GdMOjKI,s, 1986)
. 330-320 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdi ai GdESdGe s -- (3GdeSFhdjI GdOhdjIs