00331nam a2200133 a 450000100080000000500110000800800410001910000220006024500310008226000270011330000090014065300280014965300200017710193212018-03-13       1980    bl uuuu     u0uu1 u    #d1 aACARPA/EMATER-PR.  aModelo de extensão rural.  aCuritiba: ACARPAc1980  a8 p.  aAgropecuaria paranaense  aExtensão rural