(3GdhGbY GdYQHj h JMOjGJ GdCdajI GdKGdKI (B/ s - (3fOhI GdhGbY GdYQHj h JMOjGJ GdCdajI GdKGdKIs (3YeGfs 2000 ((3YeGf (B:s (3eDSSI YHO GdMejO TheGf,s, 2001)
Keywords: (3GdXQha GdSjGSjIs; (3GdLhGfH GdSjGSjIs; (3GdHdOGf GdYQHjIs