00367nam a2200145 a 450000100080000000500110000800800410001910000160006024500550007626000320013130000150016365300110017865300190018965300130020811123892000-10-03       1996    bl uuuu      00u1 u    #d1 aOLINGER, G.  aAscencao e decadencia da extensao rural no Brasil.  aFlorianopolis: Epagric1996  a523p.cil.  aBRASIL  aEXTENSAO RURAL  aHISTORIA