(3WhGFa GdYGde GdESdGej (B: s (3QDjI eYGUQI (B/ s - (3eJhdj, eMeOs ((3GdbGgQI (B:s (3ecJHI fgVI GdTQb,s, 1984)
Keywords: (3GdaQb GdESdGejIs