(3GdTQb GdNGdO (B: s (3ebOeI ai JGQjN hMVGQI GdTQb GdGOfi ef GbOe GdYUhQ MJi YGe (B323 (3b(B0(3e (B/ s - (3YHOGdMejO RGjOs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI , s, 1967)
Keywords: (3GjQGfs; (3GddZI GdYQHjIs; (3GdGMhGd GdGbJUGOjIs; (3GdJGQjNs; (3GdKbGaIs; (3Gdafs; (3GdLZQGajG GdHTQjIs; (3Gdajfjbjhfs; (3dHfGf GdbOjes; (3GdHGHdjhfs; (3ShQjG GdbOjeIs; (3GdgLQGJs; (3GdGThQjhfs; (3MVGQI GdYQGb GdbOjeIs