(3GdETYGY hUMI GdEfSGf (B:s (3MOjK eNJUQ (B/s - (3LhaeGf, Lhf hs; (3HjQe, YHO GdMSjfs ((3HZOGO (B:s (3OGQ GdTDhf GdKbGajI,s, 1986)
Keywords: (3CNWGQ GdETYGYs; (3GdETYGYs -- (3hbGjIs; (3GdUMI GdYGeIs