00408nam a2200145 a 450000100080000000500110000800800410001910000280006024500680008826000250015630000090018165300220019065300240021265300260023610019091996-01-12               bl uuuu     u0uu1 u    #d1 aEMBRAPA (Brasilia, DF).  aPesquisa agropecuariabenfoque sistemico e enfoque tradicional.  aBrasilia, [19--].c0  a11v.  aENFOQUE SISTEMICO  aENFOQUE TRADICIONAL  aPESQUISA AGROPECUARIA