(3GdefWb YfO GOehfO gSQd (B/ s - (3jhSa SdGeIs ((3ShQjG (B: s (3OGQ MhQGf ddOQGSGJ hGdWHGYI hGdfTQ hGdJhRjY , s, 2002)
Keywords: (3GdGadGWhfjIs; (3GdefWbs; (3GdadSaI (B- (3fXQjGJs; (3GOehfO gSQds