(3ahJh ThH (B4 (3ddeGcfJhT hGdhjfOhR (B/ s - (3QjJTGQOR, djfOGs ((3GdbGgQI (B: s (3OGQ GdaGQhb ddfTQ hGdJhRjY , s, 2004)
Keywords: (3GdMGSHGJ GdGdcJQhfjI (B- (3HQGeLs; (3ahJh ThH (B4s