(3GdfUhU aj eUWdMGJ GdJUha (B/ s - (3YQGHj, eMeO ZGRjs ((3OeTb (B:s (3OGQ bJjHI ddWHGYI h GdfTQ h GdJhRjY,s, 1985)
Keywords: (3GdJUha GdESdGejs; (3GdESdGes; (3GdbhGejSs