(3GaGb dGOH GaQjbjG ajeG hQGA GdUMQGA (B/ s - (3GdOGdi (B: (3GdgGOi GdeHQhcs ((3GdbGgQI (B: s (3GdOGQ GdeUQjI GddHfGfjI (B: s, 2001)
Keywords: (3GdGOH GdGaQjbis -- (3JGQjN h fbOs; (3GdGOH GdYQHis -- (3JGQjN h fbOs; (3GdTYQ GdYQHis -- (3JGQjN h fbOs