(3Mbhb GdEfSGf hCSHGH GdYfa aj GdeLJeY GdESdGej aj VhA CMcGe GdTQjYI (B/s - (3jSQj, CMeOs ((3GdbGgQI (B:s (3efTCI GdeYGQa,s, 1993)
Keywords: (3GdESdGe hMbhb GdEfSGfs