(3bUjOI GdfGOQGJ GdafjI (B/ s - (3YHOGdcQje GdLjdis; (3jhSa RjOGfs ([S.N] : (3OGQ GdLjd , s, 1988)
Keywords: (3GdTYQ GdOjfis; (3GdTYQ GdUhais; (3GSdGejGJs