(3GdMQjI h GdJfXje aj YGde Gdjhe (B/s - (3TjN GdCQV, JjSjQ s ((3OeTb (B:s (3hRGQI GdKbGaI h GdGQTGO Gdbhej ,s, 1977)
Keywords: (3GdJfXje s; (3YGde s; (3GdMQjIs; (3jhe s