(3CUd GdCfhGY hfThFgG HGdGfJNGH GdWHjYj hMaX GdUaha GdZGdHI aj GdJfGMQYdi GdHbGA(B: (3GdeLdO GdChds - Charles Robert Darwin; (3ESeGYjd eXgQs ((3eUQs (3OGQ GdYUhQ ddWHY hGdfTQs, 1928)
Keywords: Natural Sciences (3GdYdhe GdHMJIs