(3edGMXGJ GdhVhA h GdUdGI (B/s - (3bGVj , YHO GdMajX Hf YKeGfs; (3bGVj , YHO GdMajX YKeGf s ((3ecg GdecQeI (B:s (3YHOGdMajX Hf YKeGf bGVj ,s, 2003)
Keywords: (3GdYHGOGJs; (3GdUdGI s; (3GdhVhAs