Ravallion,, Martin Poor areas, or only poor people? / Martin Ravallion, Quentin Wodon

Poor areas, or only poor people? / Martin Ravallion, Quentin Wodon . - Washington : The World Bank, 1997 . - 32 p., [2] p. gráficos 28 cm . - (Policy research., Working paper; 1798))
330.59