00492nam a2200145 a 450000100080000000500110000800800410001910000210006024500910008126000830017230000090025549000450026465000110030965000260032015270212014-02-04       1986    bl uuuu     u0uu1 u    #d1 aFERNANDEZ, M. E.  aParticipatory-action-research and the farming systems approach with highland peasants.  aColumbia: Missouri University of Missouri. Department of Rural Sociologyc1986  a33p.  a(SR/CRSP. Technical Report. Series, 75).  aAnimal  aSistema de Produção