00401pab a2200133 454500008004000000100002400040245008400064260000900148300001500157362000800172650001700180700002500197773004500222180718b2011   xxu||||| |||| 00| 0 eng d  aEmerson, Patrick M.  aIs child labor harmful? The impact of working earlier in life on adult earnings  c2011  ap.345-385.  aJan  aChild labour  aSouza, Andre Portela  aEconomic Development and Cultural Change