(3OQGSGJ hHMhK ai JOQjS GdYdhe hGdJQHjI GdYdejI (B/ s - (3YHOGdefYe eMeO MSjfs ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1989)
Keywords: (3GdYdhes; (3JYdje hJOQjSs