(3LfGjI GdTjN eMeO GdZRGdj Ydi GdMOjK hCgdg (B:s (3eY edMb ddQO Ydi eG LGA ef QOhO hJYbjHGJ HGdWHYI GdSGOSI dcJGH GdSfI GdfHhjI (B/s - (3YHO GdQMje, CTQa Hf YHO GdebUhOs; (3GdeONdj, QHjY Hf gGOjs ((3GdbGgQI (B:s (3ecJHI GdEeGe GdHNGQj,s, 1989)
Keywords: (3GdZRGdj, eMeO Hf eMeO Hf eMeO,s -- (3MLI GdESdGe,s -- 450-505 (3gLQjs; (3GdMOjKs -- (3OaY eWGYfs