(3GdOhdI (B:s (3OQGSI JMdjdjI aj eHGOF (B, (3GdLZQGajG GdYScQjI (B/s (3GdLRA GdKGfj s - (3MSjf MeRI HfObLjs ((3GdbGgQI (B:s (3ecJHI GdCfLdh GdeUQjI (B,s, 1975)
.(3HHdjhLQGajG(B: (3UaMI (B253.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQjs