(3GbJUGOjGJ GdScGf hGdehGQO GdHTQjI (B:s (3EWGQ fXQj hJWHjbj (B/s - (3YHO GdQGRb, eMehO MGeO eMehOs ([(3ecGf GdfTQ ZjQ eMOO(B] :s (3ecJHI GdMQjI ddfTQ hGdJhRjY,s, 2006)
(3HHdjhLQGajI (B: (3UaMI (B249-252.s
Keywords: (3GdScGfs -- (3LhGfH GbJUGOjIs; (3GdLZQGajG GdHTQjIs