(3JWhQ GdMQha GdYQHjI Ydi BKGQ GdbQf GdgLQj GdChd GdESdGejI (B/ s - (3GdJd, UahGfs ((3YeGf (B:s (3GdLGeYI GdCQOfjI,s, 1981)
Keywords: (3GdNW GdYQHjs