(3SOGSjI GdGjGe GdSJg (B: s (3GdQDjI hGdOdGdGJ hGdHfjI GdafjI (B/ s - (3eMehO , MSfj s ((3YeGf (B: s (3hRGQI GdKbGaI , s, 2002)
Keywords: (3GdGOH GdYQHj s -- (3JGQjN hfbO s