(3OQGSGJ aj GdJYdje GdLGeYj (B/ s - (3GdJd, SYjOs ((3YeGf (B:s (3OGQ GddhGA ddUMGaI h GdfTQ h GdJhRjY,s, 1986)
Keywords: (3GdJYdje GdYGdjs; (3GdcdjGJs; (3GdLGeYGJs