(3JGQjN GjQGf GdbOje ef GdHOGjg MJi fgGjg GdYUQ GdSGSGfjs - (3MSf jjQfjG ; JQLeg eMeO fhQ GdOjf YHO GdefYe , GdSHGYj eMeO GdSHGYj s ((3GdbGgQI s (3ecJHI GdGfLdh CeQjcjIs, 1997)