(3MhGQ SGNf eY GdTjN cTc bHd QMjdg (B/ s - (3ahRj, eMehOs ((3GdbGgQI (B:s (3OGQ GdaVjdjI,s, 1997)
Keywords: (3Gdabg GdESdGejs; (3GdKbGaI GdESdGejIs