(3Yde GddSGfjGJ GdMOjKI (B: s (3fXe GdJMce h bhGYO GdHjGfGJ (B/ s - (3YHO GdLdjd, YHO GdbGOQs ((3YeGf (B:s (3OGQ GdUaGA,s, 2002)
Keywords: (3GddZGJs; (3GddSGfjGJs