(3GdUhQI GdafjI ai TYQ Ydi GdLGRe (B/ s - (3GHQGgje Gejf GdRQRehfjs ((3GdbGgQI (B: s (3OGQ bHGA ddWHGYI hGdfTQ hGdJhRjY , s, 2000)
Keywords: (3GdTYQ GdYQHis; (3GdTYQ GdYQHi (B- (3JGQjN hfbOs; (3Ydi GdLGQes