(3GdYbO GdaQjO (B:s (3GdLRA GdChd (B/s - (3Hf YHO QHg, CHi YeQ CMeO Hf eMeO s ((3GdbGgQI (B:s (3eWHYI dLfI GdJCdja hGdJQLeI hGdfTQ,s, 1940)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdYbO hTQhWgs; (3GdTQjYI GdESdGejIs