(3GcJTGa GdeSJbHd hUjGZJg (B: s International Futures ((3GdGeGQGJ (B: s (3TQcI GdYHjcGf ddCHMGK hGdJWhjQ , s, 2008)
Keywords: (3JfHD GLJeGYj, JfejI OhdjIs