(3GdhSjW ai JfGRY GdbhGfjf (B/s - (3aDGO YHOGdefYe QjGVs; (3SGejI QGTOs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1984)
Keywords: (3GdbGfhf GdOhdi GdNGU(B.s; (3JfGRY GdbhGfjfs