(3GdQGFO (B: s (3eYLe dZhj YUQj (B/ s - (3eSYhO, LHQGfs ((3HjQhJ (B:s (3OGQ GdYde ddedGjjf,s, 1967)
Keywords: (3GddZI GdYQHjIs; (3GdbhGejSs