(3GdahGFO (B/s - (3GHf bje GdLhRjI, eMeO Hf CHj HcQ Hf CjhH,s 691-751 (3gLQjG(B.s; (3TGgjf , YHOGdSdGe s ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI ,s, 1983)
Keywords: (3GdhYX hGdEQTGOs; (3GdCNdGb GdESdGejIs; (3GdBOGH GdESdGejIs; (3GdOYhI GdESdGejIs