(3GdOhdI GdYKeGfjI hGdeSGdI GdTQbjI (B:s - (3GdOShbj ,eMeO ceGd s ((3GdbGgQI (B:s (3OGQ GdKbGaI ddWHGYI hGdfTQ ,s, 1976)
Keywords: (3GdGeHQGWhQjI GdYKeGfjI s