00732nam a2200265 a 450000100080000000500110000800800410001910000150006024500550007525000100013026000260014030000160016649000490018252000460023165000160027765000140029365000250030765000220033265300160035465300260037065300150039665300200041170000150043170000200044610040102014-08-28       1975    bl uuuu      00u1 u    #d1 aRAMSAY, J.  aExtensión agricola dinamica del desarrollo rural.  a3.ed.  aSan Jose : IICAc1975  a576 p.cil.  a(IICA. Textos y Materiales Educativos, 008).  aFundamentos. Metodologia. Administracion.  aAgriculture  aEducation  aExtension activities  aRural development  aAgricultura  aDesenvolvimento rural  aEducação  aExtensão rural1 aFRÍAS, H.1 aBELTRÁN, L. R.