(3eaJGM OGQ GdSYGOI hefThQ hdGjI GdYde hGdGQGOIs - (3GdTjN(B/(3GHj YHOGddg eMeO Hf GHj HcQ GdOeTbj(B((3GHf bje GdLhRj(B)s ((3HjQhJ(B/(3dHfGfs (3OGQ GdcJH GdYdejIs, 1985)
Keywords: (3GdYbjOI hGdEjeGfs