(3fXQjI GdNWG GdTNUi ai eLGd GdeSFhdjI GdGOGQjI (B/ s - (3SGei MGeO SdjeGfs ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1988)
Keywords: (3GdbGfhfs; (3GdbGfhf GdGOGQis