(3GdHfhc GdGSdGejI (B/ s - (3eMSf GMeO GdNVjQis ([S.N] : (3OGQ GdMQjI ddUMGaI hGdWHGYI hGdfTQ , s, 1990)
Keywords: (3GdGSdGe hGdHfhcs; (3GdHfhc GdGSdGejIs