(3GdeQTO GdMOjK aj GdJhYjI GdUMjI (B/s - (3HTGj, eGgQs; (3TQGjhc, gGQhdOs ((3HjQhJ (B:s (3OGQ GdTQb GdChSW ddWHGYI hGdfTQ,s, 1986)
Keywords: (3GdUMI GdYGeIs; (3GdUMI GdhbGFjIs