(3Gdafhf GdRNQajI GdGSdGejI GdeHcQI (B: s (3ai GdYUQjf GdGehi hGdYHGSi (B/ s - (3Ydi GMeO GdWGjTs ((3GdbGgQI (B: s (3ecJHI RgQGA GdTQb , s, 2000)
Keywords: (3GdGKGQ GdGSdGejIs; (3Gdaf GdRNQais; (3GdRNQaI GdGSdGejIs