00479nam a2200193 a 450000100080000000500110000800800410001910000200006024500540008026000330013430000090016750000140017665000160019065000130020665000130021965300170023265300120024965300240026110936742011-07-19       1986    bl uuuu     u0uu1 u    #d1 aSILVA, E. C. da  aMétodos quantitativos na pesquisa agropecuária.  aBrasília: EMBRAPA-DMQc1986  a8 p.  aPalestra.  aagriculture  aresearch  aPesquisa  aAgropecuaria  aMethods  aMetodo quantitativo