(3GdJUfja GdYTQj GdehLR (B:s (3GdLOGhd (B/s - (3agej, aDGO ESeGYjds ((3GdQjGV (B:s (3OGQ GdeQjN ddfTQ ,s, 1979)
Keywords: (3GdYedjGJ GdecJHjIs -- (3JUfja Ojhj GdYTQjs; (3GdELQGAGJ GdafjI (B((3ecJHGJ(B)s -- (3JUfja Ojhj GdYTQjs