(3fXQI Ydi GdSjfeG GdYGdejI GdeYGUQI (B/ s - (3XGaQ gfOi YGRGQs ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1987)
Keywords: (3UfGYI hJLGQIs; (3GdGadGe GdSjfeGFjIs; (3SjfeG GdGWaGds; (3JGQjN hfbOs