00490nam a2200181 a 450000100080000000500110000800800410001910000610006024500450012126000330016630000090019949000410020865000100024965000130025965000100027265000150028265300110029716987001997-06-02       1990    bl uuuu     u0uu1 u    #d1 aORGANIZACAO DAS COOPERATIVAS BRASILEIRAS (Brasilia, DF).  aCusto de producao de leitebsafra 90/91.  aBrasilia, OCB/DENACOOPc1990  a38p.  a(DENACOOP. Cadernos Economicos, 65).  aCusto  aEconomia  aLeite  aProdução  aBrasil