(3JGQjN GdacQ GdadSaj aj GdGSdGe(B/s - (3CHh QjGf ,eMeO Ydjs ((3HjQhJ (B:s (3OGQ GdfgVI GdYQHjI ,s, 1976)
Keywords: (3GdadSaI GdGSdGejI s