(3edMeI CaZGfSJGf (B/ s - (3GdfMhj, YOfGf Hf Ydj Hf eMeOs ((3GdQjGV (B:s (3OGQ GdfMhj ddfTQ,s, 2004)
Keywords: (3JGQjN GaZGfSJGfs; (3GdXQha GdSjGSjgs; (3GdMQH GdGgdjgs