(3YdGL GdCWaGd HGddYH (B/ s - (3ehSJGcS, cdGQcs; (3SdjeGf, YHO GdQMef SjOs ((3GdbGgQI (B:s (3ecJHI RgQGA GdTQb,s, 1997)
Keywords: (3Yde GdfaS GdWahdIs; (3Yde GdfaS Gdfehs; (3GdUMI GdfaSjIs