00375nam a2200133 a 450000100080000000500110000800800410001910000200006024500550008026000670013565000100020265000180021265300110023015965372023-01-19       2008    bl uuuu     u00u1 u    #d1 aCARVALHO, G. R.  aCustos devem reduzir lucro.h[electronic resource]  aRevista Balde Branco, São Paulo, v.43, n. 520, p. 11-14c2008  aLeite  aRentabilidade  aCustos