00755nam a2200217 a 450000100080000000500110000800800410001910000190006024501570007926000360023630000100027252000990028265000160038165000160039765000330041365000220044665300160046865300130048470000230049770000170052011561642018-08-07       1984    bl uuuu     u0uu1 u    #d1 aCALEGAR, G. M.  aIncome, nutritional, and policy consequences of shifts from semi-subsistence to commercial agriculture in Alagoa Nova, Paraíba State, Northeast Brazil.  aPetrolina: EMBRAPA-CPATSAc1984  a25 p.  aBackground information on study area and policy issues; Methodology; Time schedule and budget.  aAgriculture  aAgricultura  aAgricultura de Subsistência  aComercialização  aAlagoa Nova  aParaíba1 aBRANDÃO, A. S. P.1 aSCHUH, G. E.