(3GdahGFO ai eTcd GdbQBf (B/s - (3YHOGdSdGe, YRGdOjf YHOGdYRjRs; (3SjO QVhGf Ydj GdfOhis ((3GdchjJ (B:s (3WHGYI GdeWHYIGdeUQjI,s, 1967)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbQBf GdcQje hGdYdhe GdbQBfjIs; (3GdTQjYI GdESdGejjIs