00517nam a2200157 a 450000500170000008200180001710000250003524501030006026000340016330000170019763000410021496400160025599700110027199900150028295200620029720251202164313.0 a363.8561bMAT aMateus, Abel Moreira aTargeting food subsidies for the needy : the use of cost-benefit analysis and institutional design aWashingtonbWorld bankc1983 a75 p.b24 cm aNutrition policy--Cost effectiveness bcdefg_ a6765 C c6824d6824 00104070aPUbPUd2000-02-22l0o363.8561 MATp6765yBK