(3Odjd OGQGJ GdEdcJQhfjGJ GdHUQjI (B/ s - (3UfjL, LhQLs ((3OeTb (B:s (3OGQ GdQVG,s, 2000)
Keywords: (3GdgfOSI GdEdcJQhfjIs; (3HUQjGJ GdLSjeGJs