(3Wad NGU (B:(3Hjf GdGYGbGJ h GdeJdGReGJ (B/ s - (3GdTQHjfj, RcQjG CMeOs ((3GdbGgQg (B:s (3OGQ GdacQ GdYQHj,s, 2004)
Keywords: (3GdGYGbGJ GdHOfjgs; (3GdGYGbgs